72870162 has 16 divisors (see below), whose sum is σ = 145975392. Its totient is φ = 24250880.

The previous prime is 72870157. The next prime is 72870167. The reversal of 72870162 is 26107827.

It is an interprime number because it is at equal distance from previous prime (72870157) and next prime (72870167).

It is not an unprimeable number, because it can be changed into a prime (72870167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (9123462).

Almost surely, 2^72870162 is an apocalyptic number.

72870162 is an abundant number, since it is smaller than the sum of its proper divisors (73105230).

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

72870162 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (72870161) it forms an eRAP, since the sums of their prime factors are consecutive (19592 and 19593).

72870162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 72870162 is about 8536.4021695325. The cubic root of 72870162 is about 417.6859931209.

Adding to 72870162 its reverse (26107827), we get a palindrome (98977989).

The spelling of 72870162 in words is "seventy-two million, eight hundred seventy thousand, one hundred sixty-two".