42576420 has 24 divisors (see below), whose sum is σ = 119214144. Its totient is φ = 11353696.

The previous prime is 42576371. The next prime is 42576421. The reversal of 42576420 is 2467524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42576421) 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, 354744 + ... + 354863.

It is an arithmetic number, because the mean of its divisors is an integer number (4967256).

Almost surely, 2^42576420 is an apocalyptic number.

It is an amenable number.

42576420 is an abundant number, since it is smaller than the sum of its proper divisors (76637724).

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

42576420 is a wasteful number, since it uses less digits than its factorization.

42576420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709619 (or 709617 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 42576420 is about 6525.0609192559. The cubic root of 42576420 is about 349.1856440973.

The spelling of 42576420 in words is "forty-two million, five hundred seventy-six thousand, four hundred twenty".