64508874 has 8 divisors (see below), whose sum is σ = 129017760. Its totient is φ = 21502956.

The previous prime is 64508869. The next prime is 64508879. The reversal of 64508874 is 47880546.

It is an interprime number because it is at equal distance from previous prime (64508869) and next prime (64508879).

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

64508874 is an admirable number.

It is a super-2 number, since 2×64508874² = 8322789649495752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64508879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5375734 + ... + 5375745.

It is an arithmetic number, because the mean of its divisors is an integer number (16127220).

Almost surely, 2^64508874 is an apocalyptic number.

64508874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64508874 is a wasteful number, since it uses less digits than its factorization.

64508874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10751484.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 64508874 is about 8031.7416542117. The cubic root of 64508874 is about 401.0573566959.

The spelling of 64508874 in words is "sixty-four million, five hundred eight thousand, eight hundred seventy-four".