72590023 has 8 divisors (see below), whose sum is σ = 79537680. Its totient is φ = 65700480.

The previous prime is 72590009. The next prime is 72590027. The reversal of 72590023 is 32009527.

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 72590023 - 2⁵ = 72589991 is a prime.

It is a super-2 number, since 2×72590023² = 10538622878281058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72589973 and 72590000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72590027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11890 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (9942210).

Almost surely, 2^72590023 is an apocalyptic number.

72590023 is a deficient number, since it is larger than the sum of its proper divisors (6947657).

72590023 is a wasteful number, since it uses less digits than its factorization.

72590023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29057.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 72590023 is about 8519.9778755581. The cubic root of 72590023 is about 417.1500609129.

It can be divided in two parts, 72 and 590023, that added together give a palindrome (590095).

The spelling of 72590023 in words is "seventy-two million, five hundred ninety thousand, twenty-three".