72323871742 has 8 divisors (see below), whose sum is σ = 108487557000. Its totient is φ = 36161352744.

The previous prime is 72323871733. The next prime is 72323871757. The reversal of 72323871742 is 24717832327.

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

It is a super-2 number, since 2×72323871742² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72323871692 and 72323871701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115192 + ... + 397387.

It is an arithmetic number, because the mean of its divisors is an integer number (13560944625).

Almost surely, 2^72323871742 is an apocalyptic number.

72323871742 is a deficient number, since it is larger than the sum of its proper divisors (36163685258).

72323871742 is a wasteful number, since it uses less digits than its factorization.

72323871742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583130.

The product of its digits is 790272, while the sum is 46.

The spelling of 72323871742 in words is "seventy-two billion, three hundred twenty-three million, eight hundred seventy-one thousand, seven hundred forty-two".