713520643 has 8 divisors (see below), whose sum is σ = 782688816. Its totient is φ = 645069600.

The previous prime is 713520641. The next prime is 713520659. The reversal of 713520643 is 346025317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 713520643 - 2¹ = 713520641 is a prime.

It is a super-2 number, since 2×713520643² = 1018223415974266898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713520641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177196 + ... + 181177.

It is an arithmetic number, because the mean of its divisors is an integer number (97836102).

Almost surely, 2^713520643 is an apocalyptic number.

713520643 is a deficient number, since it is larger than the sum of its proper divisors (69168173).

713520643 is a wasteful number, since it uses less digits than its factorization.

713520643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358565.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 713520643 is about 26711.8071833412. The cubic root of 713520643 is about 893.5842677811.

The spelling of 713520643 in words is "seven hundred thirteen million, five hundred twenty thousand, six hundred forty-three".