72946375 has 16 divisors (see below), whose sum is σ = 91282464. Its totient is φ = 58200000.

The previous prime is 72946331. The next prime is 72946381. The reversal of 72946375 is 57364927.

It is not a de Polignac number, because 72946375 - 2⁹ = 72945863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74640 + ... + 75610.

It is an arithmetic number, because the mean of its divisors is an integer number (5705154).

Almost surely, 2^72946375 is an apocalyptic number.

72946375 is a deficient number, since it is larger than the sum of its proper divisors (18336089).

72946375 is an equidigital number, since it uses as much as digits as its factorization.

72946375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1577 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 72946375 is about 8540.8650030310. The cubic root of 72946375 is about 417.8315580104.

The spelling of 72946375 in words is "seventy-two million, nine hundred forty-six thousand, three hundred seventy-five".