72694761 has 4 divisors (see below), whose sum is σ = 96926352. Its totient is φ = 48463172.

The previous prime is 72694753. The next prime is 72694777. The reversal of 72694761 is 16749627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72694761 - 2³ = 72694753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72694781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12115791 + ... + 12115796.

It is an arithmetic number, because the mean of its divisors is an integer number (24231588).

Almost surely, 2^72694761 is an apocalyptic number.

It is an amenable number.

72694761 is a deficient number, since it is larger than the sum of its proper divisors (24231591).

72694761 is a wasteful number, since it uses less digits than its factorization.

72694761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231590.

The product of its digits is 127008, while the sum is 42.

The square root of 72694761 is about 8526.1222721704. The cubic root of 72694761 is about 417.3505956623.

The spelling of 72694761 in words is "seventy-two million, six hundred ninety-four thousand, seven hundred sixty-one".