79533742 has 16 divisors (see below), whose sum is σ = 120839040. Its totient is φ = 39256888.

The previous prime is 79533721. The next prime is 79533743. The reversal of 79533742 is 24733597.

It is a super-2 number, since 2×79533742² = 12651232233045128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79533695 and 79533704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79533743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89223 + ... + 90109.

It is an arithmetic number, because the mean of its divisors is an integer number (7552440).

Almost surely, 2^79533742 is an apocalyptic number.

79533742 is a deficient number, since it is larger than the sum of its proper divisors (41305298).

79533742 is a wasteful number, since it uses less digits than its factorization.

79533742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its digits is 158760, while the sum is 40.

The square root of 79533742 is about 8918.1692067374. The cubic root of 79533742 is about 430.0482044391.

The spelling of 79533742 in words is "seventy-nine million, five hundred thirty-three thousand, seven hundred forty-two".