72824923 has 8 divisors (see below), whose sum is σ = 80461728. Its totient is φ = 65560704.

The previous prime is 72824861. The next prime is 72824951. The reversal of 72824923 is 32942827.

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

It is not a de Polignac number, because 72824923 - 2¹⁷ = 72693851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72824993) 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, 92736 + ... + 93517.

It is an arithmetic number, because the mean of its divisors is an integer number (10057716).

Almost surely, 2^72824923 is an apocalyptic number.

72824923 is a deficient number, since it is larger than the sum of its proper divisors (7636805).

72824923 is a wasteful number, since it uses less digits than its factorization.

72824923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186293.

The product of its digits is 48384, while the sum is 37.

The square root of 72824923 is about 8533.7519884281. The cubic root of 72824923 is about 417.5995397737.

It can be divided in two parts, 728 and 24923, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 72824923 in words is "seventy-two million, eight hundred twenty-four thousand, nine hundred twenty-three".