72673761 has 8 divisors (see below), whose sum is σ = 98344864. Its totient is φ = 47725920.

The previous prime is 72673747. The next prime is 72673807. The reversal of 72673761 is 16737627.

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

It is not a de Polignac number, because 72673761 - 2⁶ = 72673697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72673561) 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, 180580 + ... + 180981.

It is an arithmetic number, because the mean of its divisors is an integer number (12293108).

Almost surely, 2^72673761 is an apocalyptic number.

It is an amenable number.

72673761 is a deficient number, since it is larger than the sum of its proper divisors (25671103).

72673761 is a wasteful number, since it uses less digits than its factorization.

72673761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361631.

The product of its digits is 74088, while the sum is 39.

The square root of 72673761 is about 8524.8906737858. The cubic root of 72673761 is about 417.3104038315.

The spelling of 72673761 in words is "seventy-two million, six hundred seventy-three thousand, seven hundred sixty-one".