64290375 has 64 divisors (see below), whose sum is σ = 121904640. Its totient is φ = 33415200.

The previous prime is 64290367. The next prime is 64290383. The reversal of 64290375 is 57309246.

64290375 is a `hidden beast` number, since 642 + 9 + 0 + 3 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (64290367) and next prime (64290383).

It is not a de Polignac number, because 64290375 - 2³ = 64290367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144904 + ... + 145346.

It is an arithmetic number, because the mean of its divisors is an integer number (1904760).

Almost surely, 2^64290375 is an apocalyptic number.

64290375 is a deficient number, since it is larger than the sum of its proper divisors (57614265).

64290375 is a wasteful number, since it uses less digits than its factorization.

64290375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 64290375 is about 8018.1278987055. The cubic root of 64290375 is about 400.6040353109.

The spelling of 64290375 in words is "sixty-four million, two hundred ninety thousand, three hundred seventy-five".