79621654 has 8 divisors (see below), whose sum is σ = 136494288. Its totient is φ = 34123560.

The previous prime is 79621639. The next prime is 79621667. The reversal of 79621654 is 45612697.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2843617 + ... + 2843644.

It is an arithmetic number, because the mean of its divisors is an integer number (17061786).

Almost surely, 2^79621654 is an apocalyptic number.

79621654 is a deficient number, since it is larger than the sum of its proper divisors (56872634).

79621654 is a wasteful number, since it uses less digits than its factorization.

79621654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687270.

The product of its digits is 90720, while the sum is 40.

The square root of 79621654 is about 8923.0966597925. The cubic root of 79621654 is about 430.2065962347.

The spelling of 79621654 in words is "seventy-nine million, six hundred twenty-one thousand, six hundred fifty-four".