37574442 has 40 divisors (see below), whose sum is σ = 84859236. Its totient is φ = 12426048.

The previous prime is 37574431. The next prime is 37574447. The reversal of 37574442 is 24447573.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 9801 = 6129^2 + 99^2 .

It is a super-2 number, since 2×37574442² = 2823677383222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37574397 and 37574406.

It is not an unprimeable number, because it can be changed into a prime (37574447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21348 + ... + 23040.

Almost surely, 2^37574442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37574442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42429618).

37574442 is an abundant number, since it is smaller than the sum of its proper divisors (47284794).

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

37574442 is a wasteful number, since it uses less digits than its factorization.

37574442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1835 counting only the distinct ones).

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

The square root of 37574442 is about 6129.7995073249. The cubic root of 37574442 is about 334.9378127680.

The spelling of 37574442 in words is "thirty-seven million, five hundred seventy-four thousand, four hundred forty-two".