264620673 has 6 divisors (see below), whose sum is σ = 382229874. Its totient is φ = 176413776.

The previous prime is 264620647. The next prime is 264620677. The reversal of 264620673 is 376026462.

It is a happy number.

264620673 is a `hidden beast` number, since 2 + 646 + 2 + 0 + 6 + 7 + 3 = 666.

264620673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 249387264 + 15233409 = 15792^2 + 3903^2 .

It is not a de Polignac number, because 264620673 - 2⁵ = 264620641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264620677) 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, 14701140 + ... + 14701157.

It is an arithmetic number, because the mean of its divisors is an integer number (63704979).

Almost surely, 2^264620673 is an apocalyptic number.

It is an amenable number.

264620673 is a deficient number, since it is larger than the sum of its proper divisors (117609201).

264620673 is a wasteful number, since it uses less digits than its factorization.

264620673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29402303 (or 29402300 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 264620673 is about 16267.1654875704. The cubic root of 264620673 is about 642.0092073679.

The spelling of 264620673 in words is "two hundred sixty-four million, six hundred twenty thousand, six hundred seventy-three".