72434196 has 48 divisors (see below), whose sum is σ = 189306880. Its totient is φ = 23950080.

The previous prime is 72434189. The next prime is 72434207. The reversal of 72434196 is 69143427.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72434196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11076 + ... + 16356.

Almost surely, 2^72434196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72434196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94653440).

72434196 is an abundant number, since it is smaller than the sum of its proper divisors (116872684).

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

72434196 is a wasteful number, since it uses less digits than its factorization.

72434196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5413 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 72434196 is about 8510.8281618183. The cubic root of 72434196 is about 416.8513522247.

The spelling of 72434196 in words is "seventy-two million, four hundred thirty-four thousand, one hundred ninety-six".