72210102 has 32 divisors (see below), whose sum is σ = 149355360. Its totient is φ = 23258880.

The previous prime is 72210077. The next prime is 72210137. The reversal of 72210102 is 20101227.

It is a congruent number.

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, 25468 + ... + 28160.

It is an arithmetic number, because the mean of its divisors is an integer number (4667355).

Almost surely, 2^72210102 is an apocalyptic number.

72210102 is an abundant number, since it is smaller than the sum of its proper divisors (77145258).

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

72210102 is a wasteful number, since it uses less digits than its factorization.

72210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 72210102 is about 8497.6527347262. The cubic root of 72210102 is about 416.4210288352.

Adding to 72210102 its reverse (20101227), we get a palindrome (92311329).

The spelling of 72210102 in words is "seventy-two million, two hundred ten thousand, one hundred two".