37998066 has 16 divisors (see below), whose sum is σ = 76437504. Its totient is φ = 12592464.

The previous prime is 37998053. The next prime is 37998067. The reversal of 37998066 is 66089973.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (37998067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17266 + ... + 19341.

It is an arithmetic number, because the mean of its divisors is an integer number (4777344).

Almost surely, 2^37998066 is an apocalyptic number.

37998066 is an abundant number, since it is smaller than the sum of its proper divisors (38439438).

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

37998066 is a wasteful number, since it uses less digits than its factorization.

37998066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36785.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 37998066 is about 6164.2571328588. The cubic root of 37998066 is about 336.1918370213.

The spelling of 37998066 in words is "thirty-seven million, nine hundred ninety-eight thousand, sixty-six".