64807474 has 8 divisors (see below), whose sum is σ = 97562988. Its totient is φ = 32286480.

The previous prime is 64807441. The next prime is 64807481. The reversal of 64807474 is 47470846.

It can be written as a sum of positive squares in 2 ways, for example, as 51739249 + 13068225 = 7193^2 + 3615^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57937 + ... + 59044.

Almost surely, 2^64807474 is an apocalyptic number.

64807474 is a deficient number, since it is larger than the sum of its proper divisors (32755514).

64807474 is a wasteful number, since it uses less digits than its factorization.

64807474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117260.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 64807474 is about 8050.3089381713. The cubic root of 64807474 is about 401.6752118688.

The spelling of 64807474 in words is "sixty-four million, eight hundred seven thousand, four hundred seventy-four".