79090436 has 12 divisors (see below), whose sum is σ = 138485760. Its totient is φ = 39523080.

The previous prime is 79090421. The next prime is 79090447. The reversal of 79090436 is 63409097.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 79090436.

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, 4541 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (11540480).

Almost surely, 2^79090436 is an apocalyptic number.

It is an amenable number.

79090436 is a deficient number, since it is larger than the sum of its proper divisors (59395324).

79090436 is a wasteful number, since it uses less digits than its factorization.

79090436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 79090436 is about 8893.2803846500. The cubic root of 79090436 is about 429.2477129413.

The spelling of 79090436 in words is "seventy-nine million, ninety thousand, four hundred thirty-six".