72790726 has 8 divisors (see below), whose sum is σ = 109249560. Its totient is φ = 36374208.

The previous prime is 72790721. The next prime is 72790741. The reversal of 72790726 is 62709727.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72790721) 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, 5856 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (13656195).

Almost surely, 2^72790726 is an apocalyptic number.

72790726 is a deficient number, since it is larger than the sum of its proper divisors (36458834).

72790726 is a wasteful number, since it uses less digits than its factorization.

72790726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21158.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 72790726 is about 8531.7481209890. The cubic root of 72790726 is about 417.5341643191.

The spelling of 72790726 in words is "seventy-two million, seven hundred ninety thousand, seven hundred twenty-six".