42970420 has 24 divisors (see below), whose sum is σ = 90524448. Its totient is φ = 17133600.

The previous prime is 42970409. The next prime is 42970453. The reversal of 42970420 is 2407924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (3771852).

Almost surely, 2^42970420 is an apocalyptic number.

It is an amenable number.

42970420 is an abundant number, since it is smaller than the sum of its proper divisors (47554028).

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

42970420 is a wasteful number, since it uses less digits than its factorization.

42970420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831 (or 6829 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42970420 is about 6555.1826824277. The cubic root of 42970420 is about 350.2594538786.

The spelling of 42970420 in words is "forty-two million, nine hundred seventy thousand, four hundred twenty".