42427374 has 32 divisors (see below), whose sum is σ = 94832640. Its totient is φ = 12542400.

The previous prime is 42427351. The next prime is 42427409. The reversal of 42427374 is 47372424.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (2963520).

Almost surely, 2^42427374 is an apocalyptic number.

42427374 is an abundant number, since it is smaller than the sum of its proper divisors (52405266).

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

42427374 is a wasteful number, since it uses less digits than its factorization.

42427374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736.

The product of its digits is 37632, while the sum is 33.

The square root of 42427374 is about 6513.6298636014. The cubic root of 42427374 is about 348.7777064613. Note that the first 4 decimals are identical.

Adding to 42427374 its reverse (47372424), we get a palindrome (89799798).

The spelling of 42427374 in words is "forty-two million, four hundred twenty-seven thousand, three hundred seventy-four".