74161125 has 24 divisors (see below), whose sum is σ = 133689816. Its totient is φ = 39552000.

The previous prime is 74161097. The next prime is 74161147. The reversal of 74161125 is 52116147.

It is a happy number.

74161125 is a `hidden beast` number, since 7 + 41 + 611 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16916769 + 57244356 = 4113^2 + 7566^2 .

It is not a de Polignac number, because 74161125 - 2⁷ = 74160997 is a prime.

It is a super-2 number, since 2×74161125² = 10999744922531250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31836 + ... + 34085.

It is an arithmetic number, because the mean of its divisors is an integer number (5570409).

Almost surely, 2^74161125 is an apocalyptic number.

74161125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74161125 is a deficient number, since it is larger than the sum of its proper divisors (59528691).

74161125 is a wasteful number, since it uses less digits than its factorization.

74161125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65942 (or 65929 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 74161125 is about 8611.6853751168. The cubic root of 74161125 is about 420.1381348356.

The spelling of 74161125 in words is "seventy-four million, one hundred sixty-one thousand, one hundred twenty-five".