72393763 has 8 divisors (see below), whose sum is σ = 79241456. Its totient is φ = 65728800.

The previous prime is 72393751. The next prime is 72393787. The reversal of 72393763 is 36739327.

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-72393763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72393163) 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, 44853 + ... + 46438.

It is an arithmetic number, because the mean of its divisors is an integer number (9905182).

Almost surely, 2^72393763 is an apocalyptic number.

72393763 is a deficient number, since it is larger than the sum of its proper divisors (6847693).

72393763 is a wasteful number, since it uses less digits than its factorization.

72393763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91365.

The product of its digits is 142884, while the sum is 40.

The square root of 72393763 is about 8508.4524444813. The cubic root of 72393763 is about 416.7737752020.

The spelling of 72393763 in words is "seventy-two million, three hundred ninety-three thousand, seven hundred sixty-three".