64746552 has 32 divisors (see below), whose sum is σ = 174318480. Its totient is φ = 19921920.

The previous prime is 64746551. The next prime is 64746581. The reversal of 64746552 is 25564746.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 64746552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64746551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103449 + ... + 104072.

Almost surely, 2^64746552 is an apocalyptic number.

It is an amenable number.

64746552 is an abundant number, since it is smaller than the sum of its proper divisors (109571928).

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

64746552 is a wasteful number, since it uses less digits than its factorization.

64746552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207543 (or 207539 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 64746552 is about 8046.5242185679. The cubic root of 64746552 is about 401.5493080305.

The spelling of 64746552 in words is "sixty-four million, seven hundred forty-six thousand, five hundred fifty-two".