64210475 has 12 divisors (see below), whose sum is σ = 90995664. Its totient is φ = 44029920.

The previous prime is 64210453. The next prime is 64210477. The reversal of 64210475 is 57401246.

It is not a de Polignac number, because 64210475 - 2⁸ = 64210219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64210477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183284 + ... + 183633.

It is an arithmetic number, because the mean of its divisors is an integer number (7582972).

Almost surely, 2^64210475 is an apocalyptic number.

64210475 is a deficient number, since it is larger than the sum of its proper divisors (26785189).

64210475 is a wasteful number, since it uses less digits than its factorization.

64210475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366934 (or 366929 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64210475 is about 8013.1438898849. The cubic root of 64210475 is about 400.4380097769.

The spelling of 64210475 in words is "sixty-four million, two hundred ten thousand, four hundred seventy-five".