42974280 has 64 divisors (see below), whose sum is σ = 143251200. Its totient is φ = 11459520.

The previous prime is 42974233. The next prime is 42974293. The reversal of 42974280 is 8247924.

42974280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18816 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (2238300).

Almost surely, 2^42974280 is an apocalyptic number.

42974280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42974280 is an abundant number, since it is smaller than the sum of its proper divisors (100276920).

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

42974280 is a wasteful number, since it uses less digits than its factorization.

42974280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39811 (or 39801 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42974280 is about 6555.4770993422. The cubic root of 42974280 is about 350.2699414110.

The spelling of 42974280 in words is "forty-two million, nine hundred seventy-four thousand, two hundred eighty".