72160502 has 8 divisors (see below), whose sum is σ = 108301536. Its totient is φ = 36059992.

The previous prime is 72160483. The next prime is 72160559. The reversal of 72160502 is 20506127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5198 + ... + 13089.

It is an arithmetic number, because the mean of its divisors is an integer number (13537692).

Almost surely, 2^72160502 is an apocalyptic number.

72160502 is a deficient number, since it is larger than the sum of its proper divisors (36141034).

72160502 is a wasteful number, since it uses less digits than its factorization.

72160502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20262.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72160502 is about 8494.7337804077. The cubic root of 72160502 is about 416.3256626129.

Adding to 72160502 its reverse (20506127), we get a palindrome (92666629).

The spelling of 72160502 in words is "seventy-two million, one hundred sixty thousand, five hundred two".