79000424 has 16 divisors (see below), whose sum is σ = 148400100. Its totient is φ = 39427072.

The previous prime is 79000421. The next prime is 79000433. The reversal of 79000424 is 42400097.

It can be written as a sum of positive squares in 2 ways, for example, as 77123524 + 1876900 = 8782^2 + 1370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79000393 and 79000402.

It is not an unprimeable number, because it can be changed into a prime (79000421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409 + ... + 13320.

Almost surely, 2^79000424 is an apocalyptic number.

It is an amenable number.

79000424 is a deficient number, since it is larger than the sum of its proper divisors (69399676).

79000424 is a wasteful number, since it uses less digits than its factorization.

79000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18292 (or 18288 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 79000424 is about 8888.2182691471. The cubic root of 79000424 is about 429.0848103453.

The spelling of 79000424 in words is "seventy-nine million, four hundred twenty-four", and thus it is an aban number.