74670025 has 6 divisors (see below), whose sum is σ = 92590862. Its totient is φ = 59736000.

The previous prime is 74670017. The next prime is 74670049. The reversal of 74670025 is 52007647.

It can be written as a sum of positive squares in 3 ways, for example, as 1721344 + 72948681 = 1312^2 + 8541^2 .

It is not a de Polignac number, because 74670025 - 2³ = 74670017 is a prime.

It is a super-2 number, since 2×74670025² = 11151225267001250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1493376 + ... + 1493425.

Almost surely, 2^74670025 is an apocalyptic number.

It is an amenable number.

74670025 is a deficient number, since it is larger than the sum of its proper divisors (17920837).

74670025 is a wasteful number, since it uses less digits than its factorization.

74670025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986811 (or 2986806 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 74670025 is about 8641.1819214735. The cubic root of 74670025 is about 421.0969529756.

The spelling of 74670025 in words is "seventy-four million, six hundred seventy thousand, twenty-five".