72315002 has 32 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 33658560.

The previous prime is 72314993. The next prime is 72315011. The reversal of 72315002 is 20051327.

It is an interprime number because it is at equal distance from previous prime (72314993) and next prime (72315011).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193688 + ... + 194060.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 2^72315002 is an apocalyptic number.

72315002 is a deficient number, since it is larger than the sum of its proper divisors (44013958).

72315002 is a wasteful number, since it uses less digits than its factorization.

72315002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 72315002 is about 8503.8227874292. The cubic root of 72315002 is about 416.6225769526.

Adding to 72315002 its reverse (20051327), we get a palindrome (92366329).

The spelling of 72315002 in words is "seventy-two million, three hundred fifteen thousand, two".