72859337 has 4 divisors (see below), whose sum is σ = 74636436. Its totient is φ = 71082240.

The previous prime is 72859313. The next prime is 72859343. The reversal of 72859337 is 73395827.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38800441 + 34058896 = 6229^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 72859337 - 2⁸ = 72859081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72859387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888488 + ... + 888569.

It is an arithmetic number, because the mean of its divisors is an integer number (18659109).

Almost surely, 2^72859337 is an apocalyptic number.

It is an amenable number.

72859337 is a deficient number, since it is larger than the sum of its proper divisors (1777099).

72859337 is a wasteful number, since it uses less digits than its factorization.

72859337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777098.

The product of its digits is 317520, while the sum is 44.

The square root of 72859337 is about 8535.7680966624. The cubic root of 72859337 is about 417.6653094160.

The spelling of 72859337 in words is "seventy-two million, eight hundred fifty-nine thousand, three hundred thirty-seven".