72794951 has 4 divisors (see below), whose sum is σ = 73820304. Its totient is φ = 71769600.

The previous prime is 72794933. The next prime is 72794957. The reversal of 72794951 is 15949727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15949727 = 2713 ⋅5879.

It is a cyclic number.

It is not a de Polignac number, because 72794951 - 2¹⁰ = 72793927 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 (72794957) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 512570 + ... + 512711.

It is an arithmetic number, because the mean of its divisors is an integer number (18455076).

Almost surely, 2^72794951 is an apocalyptic number.

72794951 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

72794951 is a deficient number, since it is larger than the sum of its proper divisors (1025353).

72794951 is a wasteful number, since it uses less digits than its factorization.

72794951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025352.

The product of its digits is 158760, while the sum is 44.

The square root of 72794951 is about 8531.9957219867. The cubic root of 72794951 is about 417.5422424897.

The spelling of 72794951 in words is "seventy-two million, seven hundred ninety-four thousand, nine hundred fifty-one".