72541018 has 8 divisors (see below), whose sum is σ = 118703520. Its totient is φ = 32973180.

The previous prime is 72540997. The next prime is 72541019. The reversal of 72541018 is 81014527.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (72541019) 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 3 ways as a sum of consecutive naturals, for example, 1648638 + ... + 1648681.

It is an arithmetic number, because the mean of its divisors is an integer number (14837940).

Almost surely, 2^72541018 is an apocalyptic number.

72541018 is a deficient number, since it is larger than the sum of its proper divisors (46162502).

72541018 is a wasteful number, since it uses less digits than its factorization.

72541018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297332.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 72541018 is about 8517.1015022718. The cubic root of 72541018 is about 417.0561681170.

The spelling of 72541018 in words is "seventy-two million, five hundred forty-one thousand, eighteen".