64475682 has 32 divisors (see below), whose sum is σ = 132969600. Its totient is φ = 20827008.

The previous prime is 64475633. The next prime is 64475687. The reversal of 64475682 is 28657446.

It is a super-2 number, since 2×64475682² = 8314227138730248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64475687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79294 + ... + 80102.

It is an arithmetic number, because the mean of its divisors is an integer number (4155300).

Almost surely, 2^64475682 is an apocalyptic number.

64475682 is an abundant number, since it is smaller than the sum of its proper divisors (68493918).

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

64475682 is a wasteful number, since it uses less digits than its factorization.

64475682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its digits is 322560, while the sum is 42.

The square root of 64475682 is about 8029.6750868264. The cubic root of 64475682 is about 400.9885590316.

The spelling of 64475682 in words is "sixty-four million, four hundred seventy-five thousand, six hundred eighty-two".