9172764652 has 24 divisors (see below), whose sum is σ = 16266810672. Its totient is φ = 4525416000.

The previous prime is 9172764649. The next prime is 9172764659. The reversal of 9172764652 is 2564672719.

It is a happy number.

It is a super-2 number, since 2×9172764652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9172764596 and 9172764605.

It is not an unprimeable number, because it can be changed into a prime (9172764659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79627 + ... + 157117.

It is an arithmetic number, because the mean of its divisors is an integer number (677783778).

Almost surely, 2^9172764652 is an apocalyptic number.

It is an amenable number.

9172764652 is a deficient number, since it is larger than the sum of its proper divisors (7094046020).

9172764652 is a wasteful number, since it uses less digits than its factorization.

9172764652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77889 (or 77887 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 9172764652 is about 95774.5511709661. The cubic root of 9172764652 is about 2093.3093677077.

It can be divided in two parts, 917 and 2764652, that added together give a square (2765569 = 1663²).

The spelling of 9172764652 in words is "nine billion, one hundred seventy-two million, seven hundred sixty-four thousand, six hundred fifty-two".