712447155 has 24 divisors (see below), whose sum is σ = 1411324512. Its totient is φ = 325689984.

The previous prime is 712447133. The next prime is 712447187. The reversal of 712447155 is 551744217.

It is not a de Polignac number, because 712447155 - 2¹² = 712443059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130554 + ... + 1131183.

It is an arithmetic number, because the mean of its divisors is an integer number (58805188).

Almost surely, 2^712447155 is an apocalyptic number.

712447155 is a deficient number, since it is larger than the sum of its proper divisors (698877357).

712447155 is a wasteful number, since it uses less digits than its factorization.

712447155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261755 (or 2261752 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 712447155 is about 26691.7057341789. The cubic root of 712447155 is about 893.1359119354.

The spelling of 712447155 in words is "seven hundred twelve million, four hundred forty-seven thousand, one hundred fifty-five".