42725562 has 16 divisors (see below), whose sum is σ = 93219552. Its totient is φ = 12947120.

The previous prime is 42725561. The next prime is 42725597. The reversal of 42725562 is 26552724.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42725561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323613 + ... + 323744.

It is an arithmetic number, because the mean of its divisors is an integer number (5826222).

Almost surely, 2^42725562 is an apocalyptic number.

42725562 is an abundant number, since it is smaller than the sum of its proper divisors (50493990).

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

42725562 is a wasteful number, since it uses less digits than its factorization.

42725562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647373.

The product of its digits is 33600, while the sum is 33.

The square root of 42725562 is about 6536.4793275891. The cubic root of 42725562 is about 349.5928926374.

The spelling of 42725562 in words is "forty-two million, seven hundred twenty-five thousand, five hundred sixty-two".