72752465 has 4 divisors (see below), whose sum is σ = 87302964. Its totient is φ = 58201968.

The previous prime is 72752453. The next prime is 72752467. The reversal of 72752465 is 56425727.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19855936 + 52896529 = 4456^2 + 7273^2 .

It is a cyclic number.

It is not a de Polignac number, because 72752465 - 2²⁶ = 5643601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72752467) 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, 7275242 + ... + 7275251.

It is an arithmetic number, because the mean of its divisors is an integer number (21825741).

Almost surely, 2^72752465 is an apocalyptic number.

It is an amenable number.

72752465 is a deficient number, since it is larger than the sum of its proper divisors (14550499).

72752465 is a wasteful number, since it uses less digits than its factorization.

72752465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550498.

The product of its digits is 117600, while the sum is 38.

The square root of 72752465 is about 8529.5055542511. The cubic root of 72752465 is about 417.4609953163.

The spelling of 72752465 in words is "seventy-two million, seven hundred fifty-two thousand, four hundred sixty-five".