72383407237 has 8 divisors (see below), whose sum is σ = 74361331800. Its totient is φ = 70415600640.

The previous prime is 72383407181. The next prime is 72383407241. The reversal of 72383407237 is 73270438327.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13308160321 + 59075246916 = 115361^2 + 243054^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72383407237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72383407267) 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, 2514988 + ... + 2543605.

It is an arithmetic number, because the mean of its divisors is an integer number (9295166475).

Almost surely, 2^72383407237 is an apocalyptic number.

It is an amenable number.

72383407237 is a deficient number, since it is larger than the sum of its proper divisors (1977924563).

72383407237 is a wasteful number, since it uses less digits than its factorization.

72383407237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058983.

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 72383407237 in words is "seventy-two billion, three hundred eighty-three million, four hundred seven thousand, two hundred thirty-seven".