72555465 has 16 divisors (see below), whose sum is σ = 116238528. Its totient is φ = 38646336.

The previous prime is 72555449. The next prime is 72555493. The reversal of 72555465 is 56455527.

It is not a de Polignac number, because 72555465 - 2⁴ = 72555449 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10939 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (7264908).

Almost surely, 2^72555465 is an apocalyptic number.

It is an amenable number.

72555465 is a deficient number, since it is larger than the sum of its proper divisors (43683063).

72555465 is a wasteful number, since it uses less digits than its factorization.

72555465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248.

The product of its digits is 210000, while the sum is 39.

The square root of 72555465 is about 8517.9495772163. The cubic root of 72555465 is about 417.0838527323.

It can be divided in two parts, 7255 and 5465, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 72555465 in words is "seventy-two million, five hundred fifty-five thousand, four hundred sixty-five".