79353390 has 64 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 20525568.

The previous prime is 79353389. The next prime is 79353413. The reversal of 79353390 is 9335397.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235302 + ... + 235638.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^79353390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79353390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98122752).

79353390 is an abundant number, since it is smaller than the sum of its proper divisors (116892114).

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

79353390 is a wasteful number, since it uses less digits than its factorization.

79353390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 76545, while the sum is 39.

The square root of 79353390 is about 8908.0519756005. The cubic root of 79353390 is about 429.7228970024.

It can be divided in two parts, 7935 and 3390, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 79353390 in words is "seventy-nine million, three hundred fifty-three thousand, three hundred ninety".