74057506 has 8 divisors (see below), whose sum is σ = 111170844. Its totient is φ = 37000560.

The previous prime is 74057471. The next prime is 74057507. The reversal of 74057506 is 60575047.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 801025 = 8559^2 + 895^2 .

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

It is not an unprimeable number, because it can be changed into a prime (74057507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10645 + ... + 16168.

Almost surely, 2^74057506 is an apocalyptic number.

74057506 is a deficient number, since it is larger than the sum of its proper divisors (37113338).

74057506 is a wasteful number, since it uses less digits than its factorization.

74057506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28196.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 74057506 is about 8605.6670862868. The cubic root of 74057506 is about 419.9423692656.

The spelling of 74057506 in words is "seventy-four million, fifty-seven thousand, five hundred six".