79994132 has 6 divisors (see below), whose sum is σ = 139989738. Its totient is φ = 39997064.

The previous prime is 79994113. The next prime is 79994137. The reversal of 79994132 is 23149997.

It can be written as a sum of positive squares in only one way, i.e., 42588676 + 37405456 = 6526^2 + 6116^2 .

It is a super-2 number, since 2×79994132² = 12798122308866848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79994137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9999263 + ... + 9999270.

It is an arithmetic number, because the mean of its divisors is an integer number (23331623).

Almost surely, 2^79994132 is an apocalyptic number.

It is an amenable number.

79994132 is a deficient number, since it is larger than the sum of its proper divisors (59995606).

79994132 is a wasteful number, since it uses less digits than its factorization.

79994132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19998537 (or 19998535 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 79994132 is about 8943.9438728114. The cubic root of 79994132 is about 430.8764025631.

The spelling of 79994132 in words is "seventy-nine million, nine hundred ninety-four thousand, one hundred thirty-two".