72432485 has 4 divisors (see below), whose sum is σ = 86918988. Its totient is φ = 57945984.

The previous prime is 72432439. The next prime is 72432533. The reversal of 72432485 is 58423427.

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 9721924 + 62710561 = 3118^2 + 7919^2 .

It is a cyclic number.

It is not a de Polignac number, because 72432485 - 2¹⁴ = 72416101 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7243244 + ... + 7243253.

It is an arithmetic number, because the mean of its divisors is an integer number (21729747).

Almost surely, 2^72432485 is an apocalyptic number.

It is an amenable number.

72432485 is a deficient number, since it is larger than the sum of its proper divisors (14486503).

72432485 is a wasteful number, since it uses less digits than its factorization.

72432485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486502.

The product of its digits is 53760, while the sum is 35.

The square root of 72432485 is about 8510.7276422172. The cubic root of 72432485 is about 416.8480699891.

The spelling of 72432485 in words is "seventy-two million, four hundred thirty-two thousand, four hundred eighty-five".