72185002 has 16 divisors (see below), whose sum is σ = 115041960. Its totient is φ = 33905088.

The previous prime is 72184991. The next prime is 72185011. The reversal of 72185002 is 20058127.

It can be written as a sum of positive squares in 4 ways, for example, as 60699681 + 11485321 = 7791^2 + 3389^2 .

It is an unprimeable number.

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, 14673 + ... + 18964.

Almost surely, 2^72185002 is an apocalyptic number.

72185002 is a deficient number, since it is larger than the sum of its proper divisors (42856958).

72185002 is a wasteful number, since it uses less digits than its factorization.

72185002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33705.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 72185002 is about 8496.1757279378. The cubic root of 72185002 is about 416.3727743721.

The spelling of 72185002 in words is "seventy-two million, one hundred eighty-five thousand, two".