42974000 has 40 divisors (see below), whose sum is σ = 103915968. Its totient is φ = 17188800.

The previous prime is 42973999. The next prime is 42974003. The reversal of 42974000 is 47924.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (42974003) 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, 8744 + ... + 12743.

Almost surely, 2^42974000 is an apocalyptic number.

42974000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42974000 is an abundant number, since it is smaller than the sum of its proper divisors (60941968).

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

42974000 is a wasteful number, since it uses less digits than its factorization.

42974000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510 (or 21494 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42974000 is about 6555.4557431196. The cubic root of 42974000 is about 350.2691806785.

The spelling of 42974000 in words is "forty-two million, nine hundred seventy-four thousand".