72963787 has 8 divisors (see below), whose sum is σ = 80248896. Its totient is φ = 65917632.

The previous prime is 72963773. The next prime is 72963791. The reversal of 72963787 is 78736927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72963787 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 72963787.

It is not an unprimeable number, because it can be changed into a prime (72963767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59098 + ... + 60319.

It is an arithmetic number, because the mean of its divisors is an integer number (10031112).

Almost surely, 2^72963787 is an apocalyptic number.

72963787 is a deficient number, since it is larger than the sum of its proper divisors (7285109).

72963787 is a wasteful number, since it uses less digits than its factorization.

72963787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119477.

The product of its digits is 889056, while the sum is 49.

The square root of 72963787 is about 8541.8842769028. The cubic root of 72963787 is about 417.8648002576.

It can be divided in two parts, 729 and 63787, that added together give a square (64516 = 254²).

The spelling of 72963787 in words is "seventy-two million, nine hundred sixty-three thousand, seven hundred eighty-seven".