72837719 has 8 divisors (see below), whose sum is σ = 75307488. Its totient is φ = 70394400.

The previous prime is 72837649. The next prime is 72837727. The reversal of 72837719 is 91773827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72837719 is a prime.

It is a super-2 number, since 2×72837719² = 10610666618245922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72837719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72837769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (9413436).

Almost surely, 2^72837719 is an apocalyptic number.

72837719 is a deficient number, since it is larger than the sum of its proper divisors (2469769).

72837719 is a wasteful number, since it uses less digits than its factorization.

72837719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225.

The product of its digits is 148176, while the sum is 44.

The square root of 72837719 is about 8534.5016843399. The cubic root of 72837719 is about 417.6239970179.

The spelling of 72837719 in words is "seventy-two million, eight hundred thirty-seven thousand, seven hundred nineteen".