72748395 has 16 divisors (see below), whose sum is σ = 129330720. Its totient is φ = 38799072.

The previous prime is 72748393. The next prime is 72748409. The reversal of 72748395 is 59384727.

It is not a de Polignac number, because 72748395 - 2¹ = 72748393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72748395.

It is not an unprimeable number, because it can be changed into a prime (72748393) 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 15 ways as a sum of consecutive naturals, for example, 269304 + ... + 269573.

It is an arithmetic number, because the mean of its divisors is an integer number (8083170).

Almost surely, 2^72748395 is an apocalyptic number.

72748395 is a deficient number, since it is larger than the sum of its proper divisors (56582325).

72748395 is a wasteful number, since it uses less digits than its factorization.

72748395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538891 (or 538885 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 72748395 is about 8529.2669673308. The cubic root of 72748395 is about 417.4532104807.

The spelling of 72748395 in words is "seventy-two million, seven hundred forty-eight thousand, three hundred ninety-five".