713643 has 16 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 383616.

The previous prime is 713627. The next prime is 713653. The reversal of 713643 is 346317.

It is not a de Polignac number, because 713643 - 2⁴ = 713627 is a prime.

713643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (713653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁷¹³⁶⁴³ is an apocalyptic number.

713643 is a deficient number, since it is larger than the sum of its proper divisors (438357).

713643 is a wasteful number, since it uses less digits than its factorization.

713643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 1512, while the sum is 24.

The square root of 713643 is about 844.7739342570. The cubic root of 713643 is about 89.3635343174.

The spelling of 713643 in words is "seven hundred thirteen thousand, six hundred forty-three".