79072751 has 8 divisors (see below), whose sum is σ = 80073840. Its totient is φ = 78075648.

The previous prime is 79072733. The next prime is 79072757. The reversal of 79072751 is 15727097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79072751 - 2⁶ = 79072687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79072757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63305 + ... + 64541.

It is an arithmetic number, because the mean of its divisors is an integer number (10009230).

Almost surely, 2^79072751 is an apocalyptic number.

79072751 is a deficient number, since it is larger than the sum of its proper divisors (1001089).

79072751 is a wasteful number, since it uses less digits than its factorization.

79072751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 79072751 is about 8892.2860390341. The cubic root of 79072751 is about 429.2157166087.

The spelling of 79072751 in words is "seventy-nine million, seventy-two thousand, seven hundred fifty-one".