64785522 has 8 divisors (see below), whose sum is σ = 129571056. Its totient is φ = 21595172.

The previous prime is 64785517. The next prime is 64785547. The reversal of 64785522 is 22558746.

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

64785522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5398788 + ... + 5398799.

It is an arithmetic number, because the mean of its divisors is an integer number (16196382).

Almost surely, 2^64785522 is an apocalyptic number.

64785522 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.

64785522 is a wasteful number, since it uses less digits than its factorization.

64785522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797592.

The product of its digits is 134400, while the sum is 39.

The square root of 64785522 is about 8048.9453967585. The cubic root of 64785522 is about 401.6298540858.

The spelling of 64785522 in words is "sixty-four million, seven hundred eighty-five thousand, five hundred twenty-two".