74120925 has 12 divisors (see below), whose sum is σ = 122546720. Its totient is φ = 39531120.

The previous prime is 74120923. The next prime is 74120929. The reversal of 74120925 is 52902147.

It is not a de Polignac number, because 74120925 - 2¹ = 74120923 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74120892 and 74120901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74120923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494065 + ... + 494214.

Almost surely, 2^74120925 is an apocalyptic number.

74120925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74120925 is a deficient number, since it is larger than the sum of its proper divisors (48425795).

74120925 is a wasteful number, since it uses less digits than its factorization.

74120925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988292 (or 988287 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 74120925 is about 8609.3510208377. The cubic root of 74120925 is about 420.0622073391.

The spelling of 74120925 in words is "seventy-four million, one hundred twenty thousand, nine hundred twenty-five".