72963830 has 24 divisors (see below), whose sum is σ = 139520448. Its totient is φ = 27467648.

The previous prime is 72963809. The next prime is 72963833. The reversal of 72963830 is 3836927.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72963833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9734 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (5813352).

Almost surely, 2^72963830 is an apocalyptic number.

72963830 is a deficient number, since it is larger than the sum of its proper divisors (66556618).

72963830 is a wasteful number, since it uses less digits than its factorization.

72963830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25288 (or 25271 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 72963830 is about 8541.8867939115. The cubic root of 72963830 is about 417.8648823448.

The spelling of 72963830 in words is "seventy-two million, nine hundred sixty-three thousand, eight hundred thirty".