72196052 has 12 divisors (see below), whose sum is σ = 126526260. Its totient is φ = 36045696.

The previous prime is 72196049. The next prime is 72196063. The reversal of 72196052 is 25069127.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 67338436 = 2204^2 + 8206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9893 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (10543855).

Almost surely, 2^72196052 is an apocalyptic number.

It is an amenable number.

72196052 is a deficient number, since it is larger than the sum of its proper divisors (54330208).

72196052 is a wasteful number, since it uses less digits than its factorization.

72196052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26170 (or 26168 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 72196052 is about 8496.8259956292. The cubic root of 72196052 is about 416.3940192488.

The spelling of 72196052 in words is "seventy-two million, one hundred ninety-six thousand, fifty-two".