72076739 has 8 divisors (see below), whose sum is σ = 83299680. Its totient is φ = 61085376.

The previous prime is 72076727. The next prime is 72076751. The reversal of 72076739 is 93767027.

It is an interprime number because it is at equal distance from previous prime (72076727) and next prime (72076751).

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

It is a cyclic number.

It is not a de Polignac number, because 72076739 - 2²⁴ = 55299523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72076696 and 72076705.

It is not an unprimeable number, because it can be changed into a prime (72076639) 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, 57224 + ... + 58469.

It is an arithmetic number, because the mean of its divisors is an integer number (10412460).

Almost surely, 2^72076739 is an apocalyptic number.

72076739 is a deficient number, since it is larger than the sum of its proper divisors (11222941).

72076739 is a wasteful number, since it uses less digits than its factorization.

72076739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115789.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 72076739 is about 8489.8020589411. The cubic root of 72076739 is about 416.1645117179.

The spelling of 72076739 in words is "seventy-two million, seventy-six thousand, seven hundred thirty-nine".