64703079424 has 33 divisors (see below), whose sum is σ = 129359245897. Its totient is φ = 32347469824.

The previous prime is 64703079377. The next prime is 64703079433. The reversal of 64703079424 is 42497030746.

The square root of 64703079424 is 254368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30964737024 + 33738342400 = 175968^2 + 183680^2 .

It is a super-4 number, since 4×64703079424⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8135802 + ... + 8143750.

Almost surely, 2^64703079424 is an apocalyptic number.

64703079424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

64703079424 is the 254368-th square number.

It is an amenable number.

64703079424 is a deficient number, since it is larger than the sum of its proper divisors (64656166473).

64703079424 is an frugal number, since it uses more digits than its factorization.

64703079424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918 (or 7951 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 64703079424 in words is "sixty-four billion, seven hundred three million, seventy-nine thousand, four hundred twenty-four".