72975303 has 8 divisors (see below), whose sum is σ = 108111600. Its totient is φ = 48650184.

The previous prime is 72975289. The next prime is 72975319. The reversal of 72975303 is 30357927.

It is a happy number.

It is not a de Polignac number, because 72975303 - 2⁸ = 72975047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72975103) 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 7 ways as a sum of consecutive naturals, for example, 1351368 + ... + 1351421.

It is an arithmetic number, because the mean of its divisors is an integer number (13513950).

Almost surely, 2^72975303 is an apocalyptic number.

72975303 is a deficient number, since it is larger than the sum of its proper divisors (35136297).

72975303 is a wasteful number, since it uses less digits than its factorization.

72975303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702798 (or 2702792 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 72975303 is about 8542.5583404505. The cubic root of 72975303 is about 417.8867832079.

The spelling of 72975303 in words is "seventy-two million, nine hundred seventy-five thousand, three hundred three".