72654771 has 8 divisors (see below), whose sum is σ = 110712064. Its totient is φ = 41517000.

The previous prime is 72654767. The next prime is 72654781. The reversal of 72654771 is 17745627.

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

It is not a de Polignac number, because 72654771 - 2² = 72654767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72654781) 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, 1729855 + ... + 1729896.

It is an arithmetic number, because the mean of its divisors is an integer number (13839008).

Almost surely, 2^72654771 is an apocalyptic number.

72654771 is a deficient number, since it is larger than the sum of its proper divisors (38057293).

72654771 is a wasteful number, since it uses less digits than its factorization.

72654771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459761.

The product of its digits is 82320, while the sum is 39.

The square root of 72654771 is about 8523.7768037414. The cubic root of 72654771 is about 417.2740522661.

The spelling of 72654771 in words is "seventy-two million, six hundred fifty-four thousand, seven hundred seventy-one".