7275653864964 has 27 divisors (see below), whose sum is σ = 18391277068437. Its totient is φ = 2425212560304.

The previous prime is 7275653864933. The next prime is 7275653864971. The reversal of 7275653864964 is 4694683565727.

It is a happy number.

The square root of 7275653864964 is 2697342.

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

7275653864964 is a `hidden beast` number, since 7 + 2 + 7 + 5 + 6 + 53 + 86 + 496 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2361416156100 + 4914237708864 = 1536690^2 + 2216808^2 .

It is a super-2 number, since 2×7275653864964² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7275653864892 and 7275653864901.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15959274 + ... + 16408830.

Almost surely, 2^{7275653864964} is an apocalyptic number.

7275653864964 is the 2697342-nd square number.

It is an amenable number.

7275653864964 is an abundant number, since it is smaller than the sum of its proper divisors (11115623203473).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7275653864964 is an frugal number, since it uses more digits than its factorization.

7275653864964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899124 (or 449562 counting only the distinct ones).

The product of its digits is 1828915200, while the sum is 72.

The spelling of 7275653864964 in words is "seven trillion, two hundred seventy-five billion, six hundred fifty-three million, eight hundred sixty-four thousand, nine hundred sixty-four".