42173370 has 24 divisors (see below), whose sum is σ = 109650996. Its totient is φ = 11246208.

The previous prime is 42173359. The next prime is 42173371. The reversal of 42173370 is 7337124.

It can be written as a sum of positive squares in 2 ways, for example, as 41951529 + 221841 = 6477^2 + 471^2 .

It is not an unprimeable number, because it can be changed into a prime (42173371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234207 + ... + 234386.

Almost surely, 2^42173370 is an apocalyptic number.

42173370 is an abundant number, since it is smaller than the sum of its proper divisors (67477626).

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

42173370 is a wasteful number, since it uses less digits than its factorization.

42173370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468606 (or 468603 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 42173370 is about 6494.1027093818. The cubic root of 42173370 is about 348.0802926105.

The spelling of 42173370 in words is "forty-two million, one hundred seventy-three thousand, three hundred seventy".