72772465 has 8 divisors (see below), whose sum is σ = 87994368. Its totient is φ = 57773040.

The previous prime is 72772463. The next prime is 72772471. The reversal of 72772465 is 56427727.

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

It is not a de Polignac number, because 72772465 - 2¹ = 72772463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72772463) 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, 54897 + ... + 56206.

It is an arithmetic number, because the mean of its divisors is an integer number (10999296).

Almost surely, 2^72772465 is an apocalyptic number.

It is an amenable number.

72772465 is a deficient number, since it is larger than the sum of its proper divisors (15221903).

72772465 is a wasteful number, since it uses less digits than its factorization.

72772465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111239.

The product of its digits is 164640, while the sum is 40.

The square root of 72772465 is about 8530.6778745889. The cubic root of 72772465 is about 417.4992458184.

It can be divided in two parts, 72772 and 465, that added together give a palindrome (73237).

The spelling of 72772465 in words is "seventy-two million, seven hundred seventy-two thousand, four hundred sixty-five".