712416645 has 24 divisors (see below), whose sum is σ = 1244292192. Its totient is φ = 377052000.

The previous prime is 712416643. The next prime is 712416667. The reversal of 712416645 is 546614217.

712416645 is a `hidden beast` number, since 7 + 1 + 2 + 4 + 1 + 6 + 645 = 666.

It is not a de Polignac number, because 712416645 - 2¹ = 712416643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712416643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54531 + ... + 66320.

It is an arithmetic number, because the mean of its divisors is an integer number (51845508).

Almost surely, 2^712416645 is an apocalyptic number.

It is an amenable number.

712416645 is a deficient number, since it is larger than the sum of its proper divisors (531875547).

712416645 is a wasteful number, since it uses less digits than its factorization.

712416645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120993 (or 120990 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 712416645 is about 26691.1342022028. The cubic root of 712416645 is about 893.1231624678.

The spelling of 712416645 in words is "seven hundred twelve million, four hundred sixteen thousand, six hundred forty-five".