72152103 has 8 divisors (see below), whose sum is σ = 97833600. Its totient is φ = 47286008.

The previous prime is 72152039. The next prime is 72152107. The reversal of 72152103 is 30125127.

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

It is a cyclic number.

It is not a de Polignac number, because 72152103 - 2⁶ = 72152039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72152103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72152107) by changing a digit.

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, 203643 + ... + 203996.

It is an arithmetic number, because the mean of its divisors is an integer number (12229200).

Almost surely, 2^72152103 is an apocalyptic number.

72152103 is a deficient number, since it is larger than the sum of its proper divisors (25681497).

72152103 is a wasteful number, since it uses less digits than its factorization.

72152103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407701.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 72152103 is about 8494.2394009117. The cubic root of 72152103 is about 416.3095094782.

The spelling of 72152103 in words is "seventy-two million, one hundred fifty-two thousand, one hundred three".