79993754 has 4 divisors (see below), whose sum is σ = 119990634. Its totient is φ = 39996876.

The previous prime is 79993703. The next prime is 79993777. The reversal of 79993754 is 45739997.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61701025 + 18292729 = 7855^2 + 4277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79993696 and 79993705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19998437 + ... + 19998440.

Almost surely, 2^79993754 is an apocalyptic number.

79993754 is a deficient number, since it is larger than the sum of its proper divisors (39996880).

79993754 is a wasteful number, since it uses less digits than its factorization.

79993754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39996879.

The product of its digits is 2143260, while the sum is 53.

The square root of 79993754 is about 8943.9227411690. The cubic root of 79993754 is about 430.8757238820.

The spelling of 79993754 in words is "seventy-nine million, nine hundred ninety-three thousand, seven hundred fifty-four".