72872859 has 8 divisors (see below), whose sum is σ = 97625152. Its totient is φ = 48351240.

The previous prime is 72872851. The next prime is 72872887. The reversal of 72872859 is 95827827.

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

It is not a de Polignac number, because 72872859 - 2³ = 72872851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72872851) 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, 56929 + ... + 58194.

It is an arithmetic number, because the mean of its divisors is an integer number (12203144).

Almost surely, 2^72872859 is an apocalyptic number.

72872859 is a deficient number, since it is larger than the sum of its proper divisors (24752293).

72872859 is a wasteful number, since it uses less digits than its factorization.

72872859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115337.

The product of its digits is 564480, while the sum is 48.

The square root of 72872859 is about 8536.5601386038. The cubic root of 72872859 is about 417.6911460541.

The spelling of 72872859 in words is "seventy-two million, eight hundred seventy-two thousand, eight hundred fifty-nine".