74150857 has 6 divisors (see below), whose sum is σ = 81504794. Its totient is φ = 67409760.

The previous prime is 74150851. The next prime is 74150861. The reversal of 74150857 is 75805147.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 30735936 = 6589^2 + 5544^2 .

It is a de Polignac number, because none of the positive numbers 2^k-74150857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74150851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306288 + ... + 306529.

Almost surely, 2^74150857 is an apocalyptic number.

It is an amenable number.

74150857 is a deficient number, since it is larger than the sum of its proper divisors (7353937).

74150857 is a wasteful number, since it uses less digits than its factorization.

74150857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612839 (or 612828 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 74150857 is about 8611.0891877857. The cubic root of 74150857 is about 420.1187438250.

The spelling of 74150857 in words is "seventy-four million, one hundred fifty thousand, eight hundred fifty-seven".