72463723 has 8 divisors (see below), whose sum is σ = 74528640. Its totient is φ = 70404480.

The previous prime is 72463697. The next prime is 72463733. The reversal of 72463723 is 32736427.

It is a happy number.

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 72463723 - 2⁵ = 72463691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72463733) 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, 49638 + ... + 51076.

It is an arithmetic number, because the mean of its divisors is an integer number (9316080).

Almost surely, 2^72463723 is an apocalyptic number.

72463723 is a deficient number, since it is larger than the sum of its proper divisors (2064917).

72463723 is a wasteful number, since it uses less digits than its factorization.

72463723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

The product of its digits is 42336, while the sum is 34.

The square root of 72463723 is about 8512.5626576255. The cubic root of 72463723 is about 416.9079861466.

It can be divided in two parts, 724637 and 23, that multiplied together give a triangular number (16666651 = T₅₇₇₃).

The spelling of 72463723 in words is "seventy-two million, four hundred sixty-three thousand, seven hundred twenty-three".