37906069 has 2 divisors, whose sum is σ = 37906070. Its totient is φ = 37906068.

The previous prime is 37906067. The next prime is 37906109. The reversal of 37906069 is 96060973.

It is an a-pointer prime, because the next prime (37906109) can be obtained adding 37906069 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19027044 + 18879025 = 4362^2 + 4345^2 .

It is a cyclic number.

It is not a de Polignac number, because 37906069 - 2¹ = 37906067 is a prime.

It is a super-2 number, since 2×37906069² = 2873740134065522, which contains 22 as substring.

Together with 37906067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37906061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18953034 + 18953035.

It is an arithmetic number, because the mean of its divisors is an integer number (18953035).

Almost surely, 2^37906069 is an apocalyptic number.

It is an amenable number.

37906069 is a deficient number, since it is larger than the sum of its proper divisors (1).

37906069 is an equidigital number, since it uses as much as digits as its factorization.

37906069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 37906069 is about 6156.7904788128. The cubic root of 37906069 is about 335.9203000922.

The spelling of 37906069 in words is "thirty-seven million, nine hundred six thousand, sixty-nine".