712115506 has 4 divisors (see below), whose sum is σ = 1068173262. Its totient is φ = 356057752.

The previous prime is 712115501. The next prime is 712115507. The reversal of 712115506 is 605511217.

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

It can be written as a sum of positive squares in only one way, i.e., 595799281 + 116316225 = 24409^2 + 10785^2 .

It is not an unprimeable number, because it can be changed into a prime (712115501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178028875 + ... + 178028878.

Almost surely, 2^712115506 is an apocalyptic number.

712115506 is a deficient number, since it is larger than the sum of its proper divisors (356057756).

712115506 is a wasteful number, since it uses less digits than its factorization.

712115506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356057755.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 712115506 is about 26685.4924256608. The cubic root of 712115506 is about 892.9973034767.

The spelling of 712115506 in words is "seven hundred twelve million, one hundred fifteen thousand, five hundred six".