264722373 has 6 divisors (see below), whose sum is σ = 382376774. Its totient is φ = 176481576.

The previous prime is 264722369. The next prime is 264722399. The reversal of 264722373 is 373227462.

264722373 is a `hidden beast` number, since 2 + 647 + 2 + 2 + 3 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143568324 + 121154049 = 11982^2 + 11007^2 .

It is not a de Polignac number, because 264722373 - 2² = 264722369 is a prime.

It is a super-2 number, since 2×264722373² = 140155869533502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264722273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14706790 + ... + 14706807.

Almost surely, 2^264722373 is an apocalyptic number.

It is an amenable number.

264722373 is a deficient number, since it is larger than the sum of its proper divisors (117654401).

264722373 is a wasteful number, since it uses less digits than its factorization.

264722373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29413603 (or 29413600 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 264722373 is about 16270.2911160188. The cubic root of 264722373 is about 642.0914432882.

The spelling of 264722373 in words is "two hundred sixty-four million, seven hundred twenty-two thousand, three hundred seventy-three".