72493609023 has 24 divisors (see below), whose sum is σ = 114248923776. Its totient is φ = 43929147600.

The previous prime is 72493609003. The next prime is 72493609049. The reversal of 72493609023 is 32090639427.

72493609023 is a `hidden beast` number, since 72 + 493 + 6 + 0 + 90 + 2 + 3 = 666.

It is not a de Polignac number, because 72493609023 - 2¹⁰ = 72493607999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72493609023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72493609003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684286 + ... + 783092.

It is an arithmetic number, because the mean of its divisors is an integer number (4760371824).

Almost surely, 2^72493609023 is an apocalyptic number.

72493609023 is a deficient number, since it is larger than the sum of its proper divisors (41755314753).

72493609023 is a wasteful number, since it uses less digits than its factorization.

72493609023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106235 (or 106232 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 72493609023 in words is "seventy-two billion, four hundred ninety-three million, six hundred nine thousand, twenty-three".