72518075 has 12 divisors (see below), whose sum is σ = 102768720. Its totient is φ = 49726560.

The previous prime is 72518071. The next prime is 72518087. The reversal of 72518075 is 57081527.

It is not a de Polignac number, because 72518075 - 2² = 72518071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (72518071) 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 11 ways as a sum of consecutive naturals, for example, 207020 + ... + 207369.

It is an arithmetic number, because the mean of its divisors is an integer number (8564060).

Almost surely, 2^72518075 is an apocalyptic number.

72518075 is a deficient number, since it is larger than the sum of its proper divisors (30250645).

72518075 is a wasteful number, since it uses less digits than its factorization.

72518075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414406 (or 414401 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 72518075 is about 8515.7545173637. The cubic root of 72518075 is about 417.0121951627.

The spelling of 72518075 in words is "seventy-two million, five hundred eighteen thousand, seventy-five".