72484673 has 4 divisors (see below), whose sum is σ = 73149780. Its totient is φ = 71819568.

The previous prime is 72484631. The next prime is 72484703. The reversal of 72484673 is 37648427.

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 63888049 + 8596624 = 7993^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 72484673 - 2¹⁴ = 72468289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72484673.

It is not an unprimeable number, because it can be changed into a prime (72489673) 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, 332390 + ... + 332607.

It is an arithmetic number, because the mean of its divisors is an integer number (18287445).

Almost surely, 2^72484673 is an apocalyptic number.

It is an amenable number.

72484673 is a deficient number, since it is larger than the sum of its proper divisors (665107).

72484673 is a wasteful number, since it uses less digits than its factorization.

72484673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665106.

The product of its digits is 225792, while the sum is 41.

The square root of 72484673 is about 8513.7931029595. The cubic root of 72484673 is about 416.9481597229.

The spelling of 72484673 in words is "seventy-two million, four hundred eighty-four thousand, six hundred seventy-three".