64331032 has 8 divisors (see below), whose sum is σ = 120620700. Its totient is φ = 32165512.

The previous prime is 64331011. The next prime is 64331039. The reversal of 64331032 is 23013346.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64330994 and 64331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64331039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020682 + ... + 4020697.

Almost surely, 2^64331032 is an apocalyptic number.

It is an amenable number.

64331032 is a deficient number, since it is larger than the sum of its proper divisors (56289668).

64331032 is a wasteful number, since it uses less digits than its factorization.

64331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041385 (or 8041381 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 64331032 is about 8020.6628155035. The cubic root of 64331032 is about 400.6884643622.

Adding to 64331032 its reverse (23013346), we get a palindrome (87344378).

The spelling of 64331032 in words is "sixty-four million, three hundred thirty-one thousand, thirty-two".