72374593 has 8 divisors (see below), whose sum is σ = 76706568. Its totient is φ = 68050944.

The previous prime is 72374569. The next prime is 72374611. The reversal of 72374593 is 39547327.

It can be written as a sum of positive squares in 4 ways, for example, as 13897984 + 58476609 = 3728^2 + 7647^2 .

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 72374593 - 2¹³ = 72366401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72374503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30705 + ... + 32977.

It is an arithmetic number, because the mean of its divisors is an integer number (9588321).

Almost surely, 2^72374593 is an apocalyptic number.

It is an amenable number.

72374593 is a deficient number, since it is larger than the sum of its proper divisors (4331975).

72374593 is a wasteful number, since it uses less digits than its factorization.

72374593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its digits is 158760, while the sum is 40.

The square root of 72374593 is about 8507.3258430602. The cubic root of 72374593 is about 416.7369844701.

The spelling of 72374593 in words is "seventy-two million, three hundred seventy-four thousand, five hundred ninety-three".