72101204 has 12 divisors (see below), whose sum is σ = 144202464. Its totient is φ = 30900504.

The previous prime is 72101203. The next prime is 72101209. The reversal of 72101204 is 40210127.

72101204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287494 + ... + 1287549.

It is an arithmetic number, because the mean of its divisors is an integer number (12016872).

Almost surely, 2^72101204 is an apocalyptic number.

It is an amenable number.

72101204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72101204 is a wasteful number, since it uses less digits than its factorization.

72101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575054 (or 2575052 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 72101204 is about 8491.2427830089. The cubic root of 72101204 is about 416.2115926170.

The spelling of 72101204 in words is "seventy-two million, one hundred one thousand, two hundred four".