72154300 has 36 divisors (see below), whose sum is σ = 157021200. Its totient is φ = 28779520.

The previous prime is 72154297. The next prime is 72154309. The reversal of 72154300 is 345127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72154309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44097 + ... + 45703.

It is an arithmetic number, because the mean of its divisors is an integer number (4361700).

Almost surely, 2^72154300 is an apocalyptic number.

It is an amenable number.

72154300 is an abundant number, since it is smaller than the sum of its proper divisors (84866900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72154300 is a wasteful number, since it uses less digits than its factorization.

72154300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72154300 is about 8494.3687228658. The cubic root of 72154300 is about 416.3137349162.

Adding to 72154300 its reverse (345127), we get a palindrome (72499427).

The spelling of 72154300 in words is "seventy-two million, one hundred fifty-four thousand, three hundred".