79534949 has 6 divisors (see below), whose sum is σ = 86123826. Its totient is φ = 73416720.

The previous prime is 79534921. The next prime is 79534967. The reversal of 79534949 is 94943597.

It can be written as a sum of positive squares in 3 ways, for example, as 11356900 + 68178049 = 3370^2 + 8257^2 .

It is a de Polignac number, because none of the positive numbers 2^k-79534949 is a prime.

It is a super-2 number, since 2×79534949² = 12651616224865202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79534897 and 79534906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79534979) 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, 235142 + ... + 235479.

It is an arithmetic number, because the mean of its divisors is an integer number (14353971).

Almost surely, 2^79534949 is an apocalyptic number.

It is an amenable number.

79534949 is a deficient number, since it is larger than the sum of its proper divisors (6588877).

79534949 is a wasteful number, since it uses less digits than its factorization.

79534949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470647 (or 470634 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 79534949 is about 8918.2368773205. The cubic root of 79534949 is about 430.0503798913.

The spelling of 79534949 in words is "seventy-nine million, five hundred thirty-four thousand, nine hundred forty-nine".