72506179 has 8 divisors (see below), whose sum is σ = 74944512. Its totient is φ = 70074120.

The previous prime is 72506131. The next prime is 72506201. The reversal of 72506179 is 97160527.

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 72506179 - 2¹³ = 72497987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72506579) 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, 38862 + ... + 40684.

It is an arithmetic number, because the mean of its divisors is an integer number (9368064).

Almost surely, 2^72506179 is an apocalyptic number.

72506179 is a deficient number, since it is larger than the sum of its proper divisors (2438333).

72506179 is a wasteful number, since it uses less digits than its factorization.

72506179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 72506179 is about 8515.0560186061. The cubic root of 72506179 is about 416.9893914302.

The spelling of 72506179 in words is "seventy-two million, five hundred six thousand, one hundred seventy-nine".