74015625 has 28 divisors (see below), whose sum is σ = 123435920. Its totient is φ = 39450000.

The previous prime is 74015611. The next prime is 74015639. The reversal of 74015625 is 52651047.

It is an interprime number because it is at equal distance from previous prime (74015611) and next prime (74015639).

It is not a de Polignac number, because 74015625 - 2⁵ = 74015593 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74015592 and 74015601.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46086 + ... + 47664.

Almost surely, 2^74015625 is an apocalyptic number.

74015625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74015625 is a deficient number, since it is larger than the sum of its proper divisors (49420295).

74015625 is an frugal number, since it uses more digits than its factorization.

74015625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 74015625 is about 8603.2334037849. The cubic root of 74015625 is about 419.8631924036.

The spelling of 74015625 in words is "seventy-four million, fifteen thousand, six hundred twenty-five".