72863130 has 16 divisors (see below), whose sum is σ = 174871584. Its totient is φ = 19430160.

The previous prime is 72863093. The next prime is 72863159. The reversal of 72863130 is 3136827.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2428771 = 72863130 / (7 + 2 + 8 + 6 + 3 + 1 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214356 + ... + 1214415.

It is an arithmetic number, because the mean of its divisors is an integer number (10929474).

Almost surely, 2^72863130 is an apocalyptic number.

72863130 is an abundant number, since it is smaller than the sum of its proper divisors (102008454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72863130 is a wasteful number, since it uses less digits than its factorization.

72863130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428781.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72863130 is about 8535.9902764706. The cubic root of 72863130 is about 417.6725570665.

Adding to 72863130 its reverse (3136827), we get a palindrome (75999957).

The spelling of 72863130 in words is "seventy-two million, eight hundred sixty-three thousand, one hundred thirty".