72896484 has 12 divisors (see below), whose sum is σ = 170091824. Its totient is φ = 24298824.

The previous prime is 72896471. The next prime is 72896489. The reversal of 72896484 is 48469827.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×72896484⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (72896489) by changing a digit.

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, 3037342 + ... + 3037365.

Almost surely, 2^72896484 is an apocalyptic number.

It is an amenable number.

72896484 is an abundant number, since it is smaller than the sum of its proper divisors (97195340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72896484 is a wasteful number, since it uses less digits than its factorization.

72896484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074714 (or 6074712 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 72896484 is about 8537.9437805598. The cubic root of 72896484 is about 417.7362789393.

The spelling of 72896484 in words is "seventy-two million, eight hundred ninety-six thousand, four hundred eighty-four".