64552670 has 32 divisors (see below), whose sum is σ = 143011008. Its totient is φ = 20429568.

The previous prime is 64552643. The next prime is 64552721. The reversal of 64552670 is 7625546.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 64552670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34559 + ... + 36378.

It is an arithmetic number, because the mean of its divisors is an integer number (4469094).

Almost surely, 2^64552670 is an apocalyptic number.

64552670 is an abundant number, since it is smaller than the sum of its proper divisors (78458338).

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

64552670 is a wasteful number, since it uses less digits than its factorization.

64552670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70964.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 64552670 is about 8034.4676239313. The cubic root of 64552670 is about 401.1480973617.

The spelling of 64552670 in words is "sixty-four million, five hundred fifty-two thousand, six hundred seventy".