43042374 has 32 divisors (see below), whose sum is σ = 97987680. Its totient is φ = 13996800.

The previous prime is 43042367. The next prime is 43042379. The reversal of 43042374 is 47324034.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7507 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (3062115).

Almost surely, 2^43042374 is an apocalyptic number.

43042374 is an abundant number, since it is smaller than the sum of its proper divisors (54945306).

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

43042374 is a wasteful number, since it uses less digits than its factorization.

43042374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493 (or 19487 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 43042374 is about 6560.6687159161. The cubic root of 43042374 is about 350.4548480946.

The spelling of 43042374 in words is "forty-three million, forty-two thousand, three hundred seventy-four".