72761039 has 8 divisors (see below), whose sum is σ = 79053072. Its totient is φ = 66568320.

The previous prime is 72761023. The next prime is 72761047. The reversal of 72761039 is 93016727.

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

It is not a de Polignac number, because 72761039 - 2⁴ = 72761023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72761539) 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, 23297 + ... + 26234.

It is an arithmetic number, because the mean of its divisors is an integer number (9881634).

Almost surely, 2^72761039 is an apocalyptic number.

72761039 is a deficient number, since it is larger than the sum of its proper divisors (6292033).

72761039 is a wasteful number, since it uses less digits than its factorization.

72761039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49657.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 72761039 is about 8530.0081477101. The cubic root of 72761039 is about 417.4773941649.

The spelling of 72761039 in words is "seventy-two million, seven hundred sixty-one thousand, thirty-nine".