72476761 has 8 divisors (see below), whose sum is σ = 82926144. Its totient is φ = 62051280.

The previous prime is 72476743. The next prime is 72476777. The reversal of 72476761 is 16767427.

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 72476761 - 2⁷ = 72476633 is a prime.

It is a super-2 number, since 2×72476761² = 10505761770102242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72471761) 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, 1086 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (10365768).

Almost surely, 2^72476761 is an apocalyptic number.

It is an amenable number.

72476761 is a deficient number, since it is larger than the sum of its proper divisors (10449383).

72476761 is a wasteful number, since it uses less digits than its factorization.

72476761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951.

The product of its digits is 98784, while the sum is 40.

The square root of 72476761 is about 8513.3284325227. The cubic root of 72476761 is about 416.9329886358.

It can be divided in two parts, 72476 and 761, that added together give a palindrome (73237).

The spelling of 72476761 in words is "seventy-two million, four hundred seventy-six thousand, seven hundred sixty-one".