42597420 has 24 divisors (see below), whose sum is σ = 119272944. Its totient is φ = 11359296.

The previous prime is 42597419. The next prime is 42597421. The reversal of 42597420 is 2479524.

42597420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42597419) and next prime (42597421).

It is not an unprimeable number, because it can be changed into a prime (42597421) 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 7 ways as a sum of consecutive naturals, for example, 354919 + ... + 355038.

It is an arithmetic number, because the mean of its divisors is an integer number (4969706).

Almost surely, 2^42597420 is an apocalyptic number.

It is an amenable number.

42597420 is an abundant number, since it is smaller than the sum of its proper divisors (76675524).

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

42597420 is a wasteful number, since it uses less digits than its factorization.

42597420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709969 (or 709967 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42597420 is about 6526.6699012590. The cubic root of 42597420 is about 349.2430443613.

The spelling of 42597420 in words is "forty-two million, five hundred ninety-seven thousand, four hundred twenty".