37745564061 has 16 divisors (see below), whose sum is σ = 50834010240. Its totient is φ = 24910586880.

The previous prime is 37745564039. The next prime is 37745564081. The reversal of 37745564061 is 16046554773.

It is a happy number.

It is not a de Polignac number, because 37745564061 - 2³⁰ = 36671822237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37745564061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37745564011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919585 + ... + 959753.

It is an arithmetic number, because the mean of its divisors is an integer number (3177125640).

Almost surely, 2^37745564061 is an apocalyptic number.

It is an amenable number.

37745564061 is a deficient number, since it is larger than the sum of its proper divisors (13088446179).

37745564061 is a wasteful number, since it uses less digits than its factorization.

37745564061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43316.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 37745564061 in words is "thirty-seven billion, seven hundred forty-five million, five hundred sixty-four thousand, sixty-one".