64290332 has 24 divisors (see below), whose sum is σ = 119103600. Its totient is φ = 30312576.

The previous prime is 64290329. The next prime is 64290341. The reversal of 64290332 is 23309246.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 64290295 and 64290304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (4962650).

Almost surely, 2^64290332 is an apocalyptic number.

It is an amenable number.

64290332 is a deficient number, since it is larger than the sum of its proper divisors (54813268).

64290332 is a wasteful number, since it uses less digits than its factorization.

64290332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965 (or 12963 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64290332 is about 8018.1252172812. The cubic root of 64290332 is about 400.6039459975.

Adding to 64290332 its reverse (23309246), we get a palindrome (87599578).

The spelling of 64290332 in words is "sixty-four million, two hundred ninety thousand, three hundred thirty-two".