37640105 has 4 divisors (see below), whose sum is σ = 45168132. Its totient is φ = 30112080.

The previous prime is 37640087. The next prime is 37640117. The reversal of 37640105 is 50104673.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21058921 + 16581184 = 4589^2 + 4072^2 .

It is not a de Polignac number, because 37640105 - 2¹⁰ = 37639081 is a prime.

It is a super-2 number, since 2×37640105² = 2833555008822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764006 + ... + 3764015.

It is an arithmetic number, because the mean of its divisors is an integer number (11292033).

Almost surely, 2^37640105 is an apocalyptic number.

It is an amenable number.

37640105 is a deficient number, since it is larger than the sum of its proper divisors (7528027).

37640105 is an equidigital number, since it uses as much as digits as its factorization.

37640105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528026.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 37640105 is about 6135.1532173207. The cubic root of 37640105 is about 335.1328054420.

Adding to 37640105 its reverse (50104673), we get a palindrome (87744778).

The spelling of 37640105 in words is "thirty-seven million, six hundred forty thousand, one hundred five".