42173488 has 40 divisors (see below), whose sum is σ = 95917472. Its totient is φ = 17584128.

The previous prime is 42173471. The next prime is 42173491. The reversal of 42173488 is 88437124.

It is a super-2 number, since 2×42173488² = 3557206180172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945 + ... + 9232.

Almost surely, 2^42173488 is an apocalyptic number.

It is an amenable number.

42173488 is an abundant number, since it is smaller than the sum of its proper divisors (53743984).

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

42173488 is a wasteful number, since it uses less digits than its factorization.

42173488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229 (or 10223 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 42173488 is about 6494.1117945413. Note that the first 3 decimals coincide. The cubic root of 42173488 is about 348.0806172501.

The spelling of 42173488 in words is "forty-two million, one hundred seventy-three thousand, four hundred eighty-eight".