79000420 has 48 divisors (see below), whose sum is σ = 170634240. Its totient is φ = 30708864.

The previous prime is 79000409. The next prime is 79000421. The reversal of 79000420 is 2400097.

It is a junction number, because it is equal to n+sod(n) for n = 79000391 and 79000400.

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 15 ways as a sum of consecutive naturals, for example, 215077 + ... + 215443.

It is an arithmetic number, because the mean of its divisors is an integer number (3554880).

Almost surely, 2^79000420 is an apocalyptic number.

It is an amenable number.

79000420 is an abundant number, since it is smaller than the sum of its proper divisors (91633820).

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

79000420 is a wasteful number, since it uses less digits than its factorization.

79000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 79000420 is about 8888.2180441301. The cubic root of 79000420 is about 429.0848031034.

The spelling of 79000420 in words is "seventy-nine million, four hundred twenty", and thus it is an aban number.