72204102 has 32 divisors (see below), whose sum is σ = 160752000. Its totient is φ = 24023304.

The previous prime is 72204071. The next prime is 72204103. The reversal of 72204102 is 20140227.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204103) 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, 41649 + ... + 43347.

It is an arithmetic number, because the mean of its divisors is an integer number (5023500).

Almost surely, 2^72204102 is an apocalyptic number.

72204102 is an abundant number, since it is smaller than the sum of its proper divisors (88547898).

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

72204102 is a wasteful number, since it uses less digits than its factorization.

72204102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 72204102 is about 8497.2996887246. The cubic root of 72204102 is about 416.4094949209.

Adding to 72204102 its reverse (20140227), we get a palindrome (92344329).

The spelling of 72204102 in words is "seventy-two million, two hundred four thousand, one hundred two".