74538865 has 8 divisors (see below), whose sum is σ = 89849088. Its totient is φ = 59362800.

The previous prime is 74538859. The next prime is 74538901. The reversal of 74538865 is 56883547.

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

It is not a de Polignac number, because 74538865 - 2³ = 74538857 is a prime.

It is a Duffinian number.

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, 32311 + ... + 34540.

It is an arithmetic number, because the mean of its divisors is an integer number (11231136).

Almost surely, 2^74538865 is an apocalyptic number.

It is an amenable number.

74538865 is a deficient number, since it is larger than the sum of its proper divisors (15310223).

74538865 is a wasteful number, since it uses less digits than its factorization.

74538865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67079.

The product of its digits is 806400, while the sum is 46.

The square root of 74538865 is about 8633.5893462684. The cubic root of 74538865 is about 420.8502522580.

The spelling of 74538865 in words is "seventy-four million, five hundred thirty-eight thousand, eight hundred sixty-five".