37440061 has 2 divisors, whose sum is σ = 37440062. Its totient is φ = 37440060.

The previous prime is 37440037. The next prime is 37440097. The reversal of 37440061 is 16004473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30580900 + 6859161 = 5530^2 + 2619^2 .

It is a cyclic number.

It is not a de Polignac number, because 37440061 - 2¹¹ = 37438013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37440661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18720030 + 18720031.

It is an arithmetic number, because the mean of its divisors is an integer number (18720031).

Almost surely, 2^37440061 is an apocalyptic number.

It is an amenable number.

37440061 is a deficient number, since it is larger than the sum of its proper divisors (1).

37440061 is an equidigital number, since it uses as much as digits as its factorization.

37440061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 37440061 is about 6118.8284009277. The cubic root of 37440061 is about 334.5380459792.

The spelling of 37440061 in words is "thirty-seven million, four hundred forty thousand, sixty-one".