74307057 has 8 divisors (see below), whose sum is σ = 108083040. Its totient is φ = 45034560.

The previous prime is 74307049. The next prime is 74307059. The reversal of 74307057 is 75070347.

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

It is not a de Polignac number, because 74307057 - 2³ = 74307049 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2251729 = 74307057 / (7 + 4 + 3 + 0 + 7 + 0 + 5 + 7).

It is not an unprimeable number, because it can be changed into a prime (74307059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125832 + ... + 1125897.

It is an arithmetic number, because the mean of its divisors is an integer number (13510380).

Almost surely, 2^74307057 is an apocalyptic number.

It is an amenable number.

74307057 is a deficient number, since it is larger than the sum of its proper divisors (33775983).

74307057 is a wasteful number, since it uses less digits than its factorization.

74307057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251743.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 74307057 is about 8620.1541169517. The cubic root of 74307057 is about 420.4135326109.

The spelling of 74307057 in words is "seventy-four million, three hundred seven thousand, fifty-seven".