72433842 has 32 divisors (see below), whose sum is σ = 156408000. Its totient is φ = 22230720.

The previous prime is 72433789. The next prime is 72433849. The reversal of 72433842 is 24833427.

It is a super-2 number, since 2×72433842² = 10493322933761928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72433849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37992 + ... + 39852.

It is an arithmetic number, because the mean of its divisors is an integer number (4887750).

Almost surely, 2^72433842 is an apocalyptic number.

72433842 is an abundant number, since it is smaller than the sum of its proper divisors (83974158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72433842 is a wasteful number, since it uses less digits than its factorization.

72433842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its digits is 32256, while the sum is 33.

The square root of 72433842 is about 8510.8073647569. The cubic root of 72433842 is about 416.8506731457.

The spelling of 72433842 in words is "seventy-two million, four hundred thirty-three thousand, eight hundred forty-two".