72435042 has 24 divisors (see below), whose sum is σ = 157158144. Its totient is φ = 24111864.

The previous prime is 72435029. The next prime is 72435061. The reversal of 72435042 is 24053427.

It is a junction number, because it is equal to n+sod(n) for n = 72434997 and 72435015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13203 + ... + 17865.

It is an arithmetic number, because the mean of its divisors is an integer number (6548256).

Almost surely, 2^72435042 is an apocalyptic number.

72435042 is an abundant number, since it is smaller than the sum of its proper divisors (84723102).

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

72435042 is a wasteful number, since it uses less digits than its factorization.

72435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 72435042 is about 8510.8778630644. The cubic root of 72435042 is about 416.8529750994.

Adding to 72435042 its reverse (24053427), we get a palindrome (96488469).

The spelling of 72435042 in words is "seventy-two million, four hundred thirty-five thousand, forty-two".