72502154 has 8 divisors (see below), whose sum is σ = 108945408. Its totient is φ = 36187020.

The previous prime is 72502151. The next prime is 72502169. The reversal of 72502154 is 45120527.

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

It is a super-3 number, since 3×72502154³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72502151) 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, 30602 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (13618176).

Almost surely, 2^72502154 is an apocalyptic number.

72502154 is a deficient number, since it is larger than the sum of its proper divisors (36443254).

72502154 is a wasteful number, since it uses less digits than its factorization.

72502154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64060.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 72502154 is about 8514.8196692590. The cubic root of 72502154 is about 416.9816752448.

The spelling of 72502154 in words is "seventy-two million, five hundred two thousand, one hundred fifty-four".