42573474 has 36 divisors (see below), whose sum is σ = 97931106. Its totient is φ = 13320576.

The previous prime is 42573431. The next prime is 42573523. The reversal of 42573474 is 47437524.

42573474 is a `hidden beast` number, since 42 + 573 + 47 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 40870449 + 1703025 = 6393^2 + 1305^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113952 + ... + 114324.

Almost surely, 2^42573474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42573474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48965553).

42573474 is an abundant number, since it is smaller than the sum of its proper divisors (55357632).

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

42573474 is a wasteful number, since it uses less digits than its factorization.

42573474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 395 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 42573474 is about 6524.8351703319. The cubic root of 42573474 is about 349.1775901507.

The spelling of 42573474 in words is "forty-two million, five hundred seventy-three thousand, four hundred seventy-four".