64714704257025 has 81 divisors (see below), whose sum is σ = 116594507595657. Its totient is φ = 34312236897600.

The previous prime is 64714704256883. The next prime is 64714704257041. The reversal of 64714704257025 is 52075240741746.

The square root of 64714704257025 is 8044545.

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

64714704257025 is a `hidden beast` number, since 6 + 4 + 7 + 1 + 4 + 7 + 0 + 42 + 570 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34732246067649 + 29982458189376 = 5893407^2 + 5475624^2 .

It is not a de Polignac number, because 64714704257025 - 2²⁵ = 64714670702593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 21840938194 + ... + 21840941156.

Almost surely, 2^{64714704257025} is an apocalyptic number.

64714704257025 is the 8044545-th square number.

64714704257025 is the 4022273-rd centered octagonal number.

It is an amenable number.

64714704257025 is a deficient number, since it is larger than the sum of its proper divisors (51879803338632).

64714704257025 is an frugal number, since it uses more digits than its factorization.

64714704257025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 54.

The spelling of 64714704257025 in words is "sixty-four trillion, seven hundred fourteen billion, seven hundred four million, two hundred fifty-seven thousand, twenty-five".