64648074 has 16 divisors (see below), whose sum is σ = 129863520. Its totient is φ = 21454800.

The previous prime is 64648057. The next prime is 64648081. The reversal of 64648074 is 47084646.

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, 22152 + ... + 24899.

It is an arithmetic number, because the mean of its divisors is an integer number (8116470).

Almost surely, 2^64648074 is an apocalyptic number.

64648074 is an abundant number, since it is smaller than the sum of its proper divisors (65215446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64648074 is a wasteful number, since it uses less digits than its factorization.

64648074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47285.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 64648074 is about 8040.4026018602. The cubic root of 64648074 is about 401.3456223419.

The spelling of 64648074 in words is "sixty-four million, six hundred forty-eight thousand, seventy-four".