74505727 has 8 divisors (see below), whose sum is σ = 77943600. Its totient is φ = 71125824.

The previous prime is 74505719. The next prime is 74505749. The reversal of 74505727 is 72750547.

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 74505727 - 2³ = 74505719 is a prime.

It is a super-2 number, since 2×74505727² = 11102206711597058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74505787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11853 + ... + 17014.

It is an arithmetic number, because the mean of its divisors is an integer number (9742950).

Almost surely, 2^74505727 is an apocalyptic number.

74505727 is a deficient number, since it is larger than the sum of its proper divisors (3437873).

74505727 is a wasteful number, since it uses less digits than its factorization.

74505727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28985.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 74505727 is about 8631.6700006430. The cubic root of 74505727 is about 420.7878767314.

The spelling of 74505727 in words is "seventy-four million, five hundred five thousand, seven hundred twenty-seven".