713638215 has 32 divisors (see below), whose sum is σ = 1281792960. Its totient is φ = 376676352.

The previous prime is 713638193. The next prime is 713638243. The reversal of 713638215 is 512836317.

713638215 is a `hidden beast` number, since 7 + 1 + 3 + 638 + 2 + 15 = 666.

It is not a de Polignac number, because 713638215 - 2⁵ = 713638183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 713638215.

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, 14154 + ... + 40343.

It is an arithmetic number, because the mean of its divisors is an integer number (40056030).

Almost surely, 2^713638215 is an apocalyptic number.

713638215 is a deficient number, since it is larger than the sum of its proper divisors (568154745).

713638215 is a wasteful number, since it uses less digits than its factorization.

713638215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54608 (or 54602 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 713638215 is about 26714.0078423287. The cubic root of 713638215 is about 893.6333458845.

The spelling of 713638215 in words is "seven hundred thirteen million, six hundred thirty-eight thousand, two hundred fifteen".