64124432 has 10 divisors (see below), whose sum is σ = 124241118. Its totient is φ = 32062208.

The previous prime is 64124429. The next prime is 64124471. The reversal of 64124432 is 23442146.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 27206656 = 6076^2 + 5216^2 .

It is a super-2 number, since 2×64124432² = 8223885558645248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003873 + ... + 2003904.

Almost surely, 2^64124432 is an apocalyptic number.

It is an amenable number.

64124432 is a deficient number, since it is larger than the sum of its proper divisors (60116686).

64124432 is a wasteful number, since it uses less digits than its factorization.

64124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007785 (or 4007779 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 64124432 is about 8007.7732235622. The cubic root of 64124432 is about 400.2590655098.

Adding to 64124432 its reverse (23442146), we get a palindrome (87566578).

The spelling of 64124432 in words is "sixty-four million, one hundred twenty-four thousand, four hundred thirty-two".