64332980 has 12 divisors (see below), whose sum is σ = 135099300. Its totient is φ = 25733184.

The previous prime is 64332971. The next prime is 64333007. The reversal of 64332980 is 8923346.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39790864 + 24542116 = 6308^2 + 4954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64332980.

It is a congruent 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, 1608305 + ... + 1608344.

It is an arithmetic number, because the mean of its divisors is an integer number (11258275).

Almost surely, 2^64332980 is an apocalyptic number.

It is an amenable number.

64332980 is an abundant number, since it is smaller than the sum of its proper divisors (70766320).

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

64332980 is a wasteful number, since it uses less digits than its factorization.

64332980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216658 (or 3216656 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 64332980 is about 8020.7842509321. The cubic root of 64332980 is about 400.6925087206.

The spelling of 64332980 in words is "sixty-four million, three hundred thirty-two thousand, nine hundred eighty".