74989715 has 8 divisors (see below), whose sum is σ = 90240480. Its totient is φ = 59823232.

The previous prime is 74989699. The next prime is 74989757. The reversal of 74989715 is 51798947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74989715 - 2⁴ = 74989699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19094 + ... + 22683.

It is an arithmetic number, because the mean of its divisors is an integer number (11280060).

Almost surely, 2^74989715 is an apocalyptic number.

74989715 is a deficient number, since it is larger than the sum of its proper divisors (15250765).

74989715 is a wasteful number, since it uses less digits than its factorization.

74989715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141.

The product of its digits is 635040, while the sum is 50.

The square root of 74989715 is about 8659.6602127335. The cubic root of 74989715 is about 421.6970546475.

The spelling of 74989715 in words is "seventy-four million, nine hundred eighty-nine thousand, seven hundred fifteen".