72485416 has 16 divisors (see below), whose sum is σ = 143905140. Its totient is φ = 34110720.

The previous prime is 72485393. The next prime is 72485419. The reversal of 72485416 is 61458427.

It can be written as a sum of positive squares in 2 ways, for example, as 54081316 + 18404100 = 7354^2 + 4290^2 .

It is not an unprimeable number, because it can be changed into a prime (72485419) 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, 266355 + ... + 266626.

Almost surely, 2^72485416 is an apocalyptic number.

It is an amenable number.

72485416 is a deficient number, since it is larger than the sum of its proper divisors (71419724).

72485416 is a wasteful number, since it uses less digits than its factorization.

72485416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533004 (or 533000 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 72485416 is about 8513.8367379226. The cubic root of 72485416 is about 416.9495843525.

The spelling of 72485416 in words is "seventy-two million, four hundred eighty-five thousand, four hundred sixteen".