74270 has 16 divisors (see below), whose sum is σ = 152928. Its totient is φ = 25440.

The previous prime is 74257. The next prime is 74279. The reversal of 74270 is 7247.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74270.

It is not an unprimeable number, because it can be changed into a prime (74279) by changing a digit.

74270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (9558).

2⁷⁴²⁷⁰ is an apocalyptic number.

74270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74270 is an abundant number, since it is smaller than the sum of its proper divisors (78658).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76464).

74270 is a wasteful number, since it uses less digits than its factorization.

74270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 74270 is about 272.5252281900. The cubic root of 74270 is about 42.0343634114.

It can be divided in two parts, 7 and 4270, that multiplied together give a triangular number (29890 = T₂₄₄).

The spelling of 74270 in words is "seventy-four thousand, two hundred seventy", and thus it is an iban number.