37900061 has 2 divisors, whose sum is σ = 37900062. Its totient is φ = 37900060.

The previous prime is 37900043. The next prime is 37900069. The reversal of 37900061 is 16000973.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 16564900 = 4619^2 + 4070^2 .

It is an emirp because it is prime and its reverse (16000973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37900061 - 2⁶ = 37899997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37900061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37900069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18950030 + 18950031.

It is an arithmetic number, because the mean of its divisors is an integer number (18950031).

Almost surely, 2^37900061 is an apocalyptic number.

It is an amenable number.

37900061 is a deficient number, since it is larger than the sum of its proper divisors (1).

37900061 is an equidigital number, since it uses as much as digits as its factorization.

37900061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 37900061 is about 6156.3025429230. The cubic root of 37900061 is about 335.9025516959.

The spelling of 37900061 in words is "thirty-seven million, nine hundred thousand, sixty-one".