72082761 has 8 divisors (see below), whose sum is σ = 97268640. Its totient is φ = 47476032.

The previous prime is 72082757. The next prime is 72082783. The reversal of 72082761 is 16728027.

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

It is not a de Polignac number, because 72082761 - 2² = 72082757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72082721) 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, 144496 + ... + 144993.

It is an arithmetic number, because the mean of its divisors is an integer number (12158580).

Almost surely, 2^72082761 is an apocalyptic number.

It is an amenable number.

72082761 is a deficient number, since it is larger than the sum of its proper divisors (25185879).

72082761 is a wasteful number, since it uses less digits than its factorization.

72082761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289575.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 72082761 is about 8490.1567123346. The cubic root of 72082761 is about 416.1761015545.

The spelling of 72082761 in words is "seventy-two million, eighty-two thousand, seven hundred sixty-one".