72963574 has 4 divisors (see below), whose sum is σ = 109445364. Its totient is φ = 36481786.

The previous prime is 72963571. The next prime is 72963577. The reversal of 72963574 is 47536927.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72963571) and next prime (72963577).

It is a self number, because there is not a number n which added to its sum of digits gives 72963574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72963571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18240892 + ... + 18240895.

It is an arithmetic number, because the mean of its divisors is an integer number (27361341).

Almost surely, 2^72963574 is an apocalyptic number.

72963574 is a deficient number, since it is larger than the sum of its proper divisors (36481790).

72963574 is a wasteful number, since it uses less digits than its factorization.

72963574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36481789.

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

The square root of 72963574 is about 8541.8718089187. The cubic root of 72963574 is about 417.8643936391.

It can be divided in two parts, 72963 and 574, that added together give a palindrome (73537).

The spelling of 72963574 in words is "seventy-two million, nine hundred sixty-three thousand, five hundred seventy-four".