712492087 has 4 divisors (see below), whose sum is σ = 713740456. Its totient is φ = 711243720.

The previous prime is 712492061. The next prime is 712492133. The reversal of 712492087 is 780294217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712492087 - 2⁷ = 712491959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712492037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623328 + ... + 624469.

It is an arithmetic number, because the mean of its divisors is an integer number (178435114).

Almost surely, 2^712492087 is an apocalyptic number.

712492087 is a deficient number, since it is larger than the sum of its proper divisors (1248369).

712492087 is a wasteful number, since it uses less digits than its factorization.

712492087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248368.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 712492087 is about 26692.5474055962. The cubic root of 712492087 is about 893.1546873813.

The spelling of 712492087 in words is "seven hundred twelve million, four hundred ninety-two thousand, eighty-seven".