72235434 has 8 divisors (see below), whose sum is σ = 144470880. Its totient is φ = 24078476.

The previous prime is 72235421. The next prime is 72235439. The reversal of 72235434 is 43453227.

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

72235434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72235439) 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 3 ways as a sum of consecutive naturals, for example, 6019614 + ... + 6019625.

It is an arithmetic number, because the mean of its divisors is an integer number (18058860).

Almost surely, 2^72235434 is an apocalyptic number.

72235434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72235434 is a wasteful number, since it uses less digits than its factorization.

72235434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039244.

The product of its digits is 20160, while the sum is 30.

The square root of 72235434 is about 8499.1431332811. The cubic root of 72235434 is about 416.4697179794.

The spelling of 72235434 in words is "seventy-two million, two hundred thirty-five thousand, four hundred thirty-four".