74857450 has 12 divisors (see below), whose sum is σ = 139234950. Its totient is φ = 29942960.

The previous prime is 74857441. The next prime is 74857457. The reversal of 74857450 is 5475847.

It can be written as a sum of positive squares in 3 ways, for example, as 50424201 + 24433249 = 7101^2 + 4943^2 .

It is not an unprimeable number, because it can be changed into a prime (74857457) 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, 748525 + ... + 748624.

Almost surely, 2^74857450 is an apocalyptic number.

74857450 is a deficient number, since it is larger than the sum of its proper divisors (64377500).

74857450 is a wasteful number, since it uses less digits than its factorization.

74857450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497161 (or 1497156 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 74857450 is about 8652.0199953537. The cubic root of 74857450 is about 421.4489824727.

The spelling of 74857450 in words is "seventy-four million, eight hundred fifty-seven thousand, four hundred fifty".