742394 has 8 divisors (see below), whose sum is σ = 1162080. Its totient is φ = 355036.

The previous prime is 742393. The next prime is 742409. The reversal of 742394 is 493247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×742394² = 1102297702472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8024 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (145260).

2⁷⁴²³⁹⁴ is an apocalyptic number.

742394 is a deficient number, since it is larger than the sum of its proper divisors (419686).

742394 is a wasteful number, since it uses less digits than its factorization.

742394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164.

The product of its digits is 6048, while the sum is 29.

The square root of 742394 is about 861.6228873469. The cubic root of 742394 is about 90.5478517429.

The spelling of 742394 in words is "seven hundred forty-two thousand, three hundred ninety-four".