37868648 has 16 divisors (see below), whose sum is σ = 71482500. Its totient is φ = 18806656.

The previous prime is 37868641. The next prime is 37868651. The reversal of 37868648 is 84686873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33616804 + 4251844 = 5798^2 + 2062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 37868596 and 37868605.

It is not an unprimeable number, because it can be changed into a prime (37868641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14693 + ... + 17076.

Almost surely, 2^37868648 is an apocalyptic number.

It is an amenable number.

37868648 is a deficient number, since it is larger than the sum of its proper divisors (33613852).

37868648 is a wasteful number, since it uses less digits than its factorization.

37868648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31924 (or 31920 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 37868648 is about 6153.7507261832. The cubic root of 37868648 is about 335.8097231433.

The spelling of 37868648 in words is "thirty-seven million, eight hundred sixty-eight thousand, six hundred forty-eight".