37540566 has 72 divisors (see below), whose sum is σ = 97740864. Its totient is φ = 10372320.

The previous prime is 37540553. The next prime is 37540567. The reversal of 37540566 is 66504573.

It is a self number, because there is not a number n which added to its sum of digits gives 37540566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37540567) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26656 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (1357512).

Almost surely, 2^37540566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37540566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48870432).

37540566 is an abundant number, since it is smaller than the sum of its proper divisors (60200298).

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

37540566 is a wasteful number, since it uses less digits than its factorization.

37540566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 37540566 is about 6127.0356617209. The cubic root of 37540566 is about 334.8371258445.

The spelling of 37540566 in words is "thirty-seven million, five hundred forty thousand, five hundred sixty-six".