79394452 has 12 divisors (see below), whose sum is σ = 142695700. Its totient is φ = 38624256.

The previous prime is 79394449. The next prime is 79394453. The reversal of 79394452 is 25449397.

It can be written as a sum of positive squares in 2 ways, for example, as 76282756 + 3111696 = 8734^2 + 1764^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 79394399 and 79394408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79394453) 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, 268077 + ... + 268372.

Almost surely, 2^79394452 is an apocalyptic number.

It is an amenable number.

79394452 is a deficient number, since it is larger than the sum of its proper divisors (63301248).

79394452 is a wasteful number, since it uses less digits than its factorization.

79394452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536490 (or 536488 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 79394452 is about 8910.3564462933. The cubic root of 79394452 is about 429.7970053210.

The spelling of 79394452 in words is "seventy-nine million, three hundred ninety-four thousand, four hundred fifty-two".