79690424 has 32 divisors (see below), whose sum is σ = 172594800. Its totient is φ = 34091520.

The previous prime is 79690421. The next prime is 79690451. The reversal of 79690424 is 42409697.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79690421) 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, 25139 + ... + 28130.

Almost surely, 2^79690424 is an apocalyptic number.

It is an amenable number.

79690424 is an abundant number, since it is smaller than the sum of its proper divisors (92904376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79690424 is a wasteful number, since it uses less digits than its factorization.

79690424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53303 (or 53299 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 79690424 is about 8926.9493109348. The cubic root of 79690424 is about 430.3304184720.

The spelling of 79690424 in words is "seventy-nine million, six hundred ninety thousand, four hundred twenty-four".