712521326 has 12 divisors (see below), whose sum is σ = 1174777296. Its totient is φ = 323873220.

The previous prime is 712521317. The next prime is 712521331. The reversal of 712521326 is 623125217.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1471910 + ... + 1472393.

It is an arithmetic number, because the mean of its divisors is an integer number (97898108).

Almost surely, 2^712521326 is an apocalyptic number.

712521326 is a deficient number, since it is larger than the sum of its proper divisors (462255970).

712521326 is a wasteful number, since it uses less digits than its factorization.

712521326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944327 (or 2944316 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 712521326 is about 26693.0950996695. The cubic root of 712521326 is about 893.1669048703.

The spelling of 712521326 in words is "seven hundred twelve million, five hundred twenty-one thousand, three hundred twenty-six".