72926871 has 8 divisors (see below), whose sum is σ = 98407680. Its totient is φ = 48031992.

The previous prime is 72926863. The next prime is 72926873. The reversal of 72926871 is 17862927.

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

It is not a de Polignac number, because 72926871 - 2³ = 72926863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72926873) 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 7 ways as a sum of consecutive naturals, for example, 146191 + ... + 146688.

It is an arithmetic number, because the mean of its divisors is an integer number (12300960).

Almost surely, 2^72926871 is an apocalyptic number.

72926871 is a deficient number, since it is larger than the sum of its proper divisors (25480809).

72926871 is a wasteful number, since it uses less digits than its factorization.

72926871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292965.

The product of its digits is 84672, while the sum is 42.

The square root of 72926871 is about 8539.7231219753. The cubic root of 72926871 is about 417.7943155240.

The spelling of 72926871 in words is "seventy-two million, nine hundred twenty-six thousand, eight hundred seventy-one".