72373241 has 8 divisors (see below), whose sum is σ = 76696200. Its totient is φ = 68172160.

The previous prime is 72373207. The next prime is 72373283. The reversal of 72373241 is 14237327.

It can be written as a sum of positive squares in 4 ways, for example, as 4393216 + 67980025 = 2096^2 + 8245^2 .

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 72373241 - 2¹⁴ = 72356857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72373201) 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, 29246 + ... + 31623.

It is an arithmetic number, because the mean of its divisors is an integer number (9587025).

Almost surely, 2^72373241 is an apocalyptic number.

It is an amenable number.

72373241 is a deficient number, since it is larger than the sum of its proper divisors (4322959).

72373241 is a wasteful number, since it uses less digits than its factorization.

72373241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60939.

The product of its digits is 7056, while the sum is 29.

The square root of 72373241 is about 8507.2463817618. The cubic root of 72373241 is about 416.7343894899.

The spelling of 72373241 in words is "seventy-two million, three hundred seventy-three thousand, two hundred forty-one".