72102162 has 32 divisors (see below), whose sum is σ = 157651200. Its totient is φ = 21802320.

The previous prime is 72102157. The next prime is 72102167. The reversal of 72102162 is 26120127.

It is an interprime number because it is at equal distance from previous prime (72102157) and next prime (72102167).

It is not an unprimeable number, because it can be changed into a prime (72102167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41589 + ... + 43287.

It is an arithmetic number, because the mean of its divisors is an integer number (4926600).

Almost surely, 2^72102162 is an apocalyptic number.

72102162 is an abundant number, since it is smaller than the sum of its proper divisors (85549038).

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

72102162 is a wasteful number, since it uses less digits than its factorization.

72102162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 72102162 is about 8491.2991938808. The cubic root of 72102162 is about 416.2134359932.

Adding to 72102162 its reverse (26120127), we get a palindrome (98222289).

The spelling of 72102162 in words is "seventy-two million, one hundred two thousand, one hundred sixty-two".