712680045 has 32 divisors (see below), whose sum is σ = 1421660160. Its totient is φ = 296178240.

The previous prime is 712679993. The next prime is 712680053. The reversal of 712680045 is 540086217.

It is not a de Polignac number, because 712680045 - 2²² = 708485741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 712679988 and 712680015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307365 + ... + 309674.

It is an arithmetic number, because the mean of its divisors is an integer number (44426880).

Almost surely, 2^712680045 is an apocalyptic number.

It is an amenable number.

712680045 is a deficient number, since it is larger than the sum of its proper divisors (708980115).

712680045 is a wasteful number, since it uses less digits than its factorization.

712680045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617065.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 712680045 is about 26696.0679688976. The cubic root of 712680045 is about 893.2332196261.

The spelling of 712680045 in words is "seven hundred twelve million, six hundred eighty thousand, forty-five".