72611673 has 8 divisors (see below), whose sum is σ = 101911200. Its totient is φ = 45859968.

The previous prime is 72611659. The next prime is 72611681. The reversal of 72611673 is 37611627.

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

It is not a de Polignac number, because 72611673 - 2⁸ = 72611417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72611603) 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, 636888 + ... + 637001.

It is an arithmetic number, because the mean of its divisors is an integer number (12738900).

Almost surely, 2^72611673 is an apocalyptic number.

It is an amenable number.

72611673 is a deficient number, since it is larger than the sum of its proper divisors (29299527).

72611673 is a wasteful number, since it uses less digits than its factorization.

72611673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273911.

The product of its digits is 10584, while the sum is 33.

The square root of 72611673 is about 8521.2483240427. The cubic root of 72611673 is about 417.1915285083.

The spelling of 72611673 in words is "seventy-two million, six hundred eleven thousand, six hundred seventy-three".