79713543 has 64 divisors (see below), whose sum is σ = 137088000. Its totient is φ = 40924800.

The previous prime is 79713541. The next prime is 79713563. The reversal of 79713543 is 34531797.

It is a happy number.

It is not a de Polignac number, because 79713543 - 2¹ = 79713541 is a prime.

It is a super-2 number, since 2×79713543² = 12708497875225698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79713541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 789193 + ... + 789293.

It is an arithmetic number, because the mean of its divisors is an integer number (2142000).

Almost surely, 2^79713543 is an apocalyptic number.

79713543 is a deficient number, since it is larger than the sum of its proper divisors (57374457).

79713543 is a wasteful number, since it uses less digits than its factorization.

79713543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 183 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 79713543 is about 8928.2441162862. The cubic root of 79713543 is about 430.3720288543.

The spelling of 79713543 in words is "seventy-nine million, seven hundred thirteen thousand, five hundred forty-three".