42174464 has 24 divisors (see below), whose sum is σ = 84332430. Its totient is φ = 21086208.

The previous prime is 42174449. The next prime is 42174481. The reversal of 42174464 is 46447124.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 17572864 = 4960^2 + 4192^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 42174464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249 + ... + 12344.

Almost surely, 2^42174464 is an apocalyptic number.

It is an amenable number.

42174464 is a deficient number, since it is larger than the sum of its proper divisors (42157966).

42174464 is an equidigital number, since it uses as much as digits as its factorization.

42174464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615 (or 20595 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 42174464 is about 6494.1869391018. The cubic root of 42174464 is about 348.0833023814.

The spelling of 42174464 in words is "forty-two million, one hundred seventy-four thousand, four hundred sixty-four".