1172668764 has 24 divisors (see below), whose sum is σ = 2737114240. Its totient is φ = 390762864.

The previous prime is 1172668741. The next prime is 1172668807. The reversal of 1172668764 is 4678662711.

It is a super-2 number, since 2×1172668764² = 2750304060122575392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27447 + ... + 55665.

Almost surely, 2^1172668764 is an apocalyptic number.

It is an amenable number.

1172668764 is an abundant number, since it is smaller than the sum of its proper divisors (1564445476).

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

1172668764 is a wasteful number, since it uses less digits than its factorization.

1172668764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31689 (or 31687 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1172668764 is about 34244.2515467925. The cubic root of 1172668764 is about 1054.5288175419.

The spelling of 1172668764 in words is "one billion, one hundred seventy-two million, six hundred sixty-eight thousand, seven hundred sixty-four".