74689725 has 24 divisors (see below), whose sum is σ = 134714592. Its totient is φ = 36212800.

The previous prime is 74689711. The next prime is 74689751. The reversal of 74689725 is 52798647.

It is not a de Polignac number, because 74689725 - 2⁶ = 74689661 is a prime.

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, 44442 + ... + 46091.

It is an arithmetic number, because the mean of its divisors is an integer number (5613108).

Almost surely, 2^74689725 is an apocalyptic number.

74689725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74689725 is a deficient number, since it is larger than the sum of its proper divisors (60024867).

74689725 is a wasteful number, since it uses less digits than its factorization.

74689725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90557 (or 90552 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 74689725 is about 8642.3217366631. The cubic root of 74689725 is about 421.1339820268.

The spelling of 74689725 in words is "seventy-four million, six hundred eighty-nine thousand, seven hundred twenty-five".