79523442 has 12 divisors (see below), whose sum is σ = 172300830. Its totient is φ = 26507808.

The previous prime is 79523441. The next prime is 79523453. The reversal of 79523442 is 24432597.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 4198401 = 8679^2 + 2049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79523397 and 79523406.

It is not an unprimeable number, because it can be changed into a prime (79523441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2208967 + ... + 2209002.

Almost surely, 2^79523442 is an apocalyptic number.

79523442 is an abundant number, since it is smaller than the sum of its proper divisors (92777388).

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

79523442 is a wasteful number, since it uses less digits than its factorization.

79523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417977 (or 4417974 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 79523442 is about 8917.5917152559. The cubic root of 79523442 is about 430.0296392045.

The spelling of 79523442 in words is "seventy-nine million, five hundred twenty-three thousand, four hundred forty-two".