85074274 has 4 divisors (see below), whose sum is σ = 127611414. Its totient is φ = 42537136.

The previous prime is 85074271. The next prime is 85074287. The reversal of 85074274 is 47247058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47247058 = 2 ⋅23623529.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 3045025 = 9057^2 + 1745^2 .

It is not an unprimeable number, because it can be changed into a prime (85074271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21268567 + ... + 21268570.

Almost surely, 2^85074274 is an apocalyptic number.

85074274 is a deficient number, since it is larger than the sum of its proper divisors (42537140).

85074274 is a wasteful number, since it uses less digits than its factorization.

85074274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42537139.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 85074274 is about 9223.5716509387. The cubic root of 85074274 is about 439.8109966483.

The spelling of 85074274 in words is "eighty-five million, seventy-four thousand, two hundred seventy-four".