737744081 has 2 divisors, whose sum is σ = 737744082. Its totient is φ = 737744080.

The previous prime is 737744071. The next prime is 737744093. The reversal of 737744081 is 180447737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598291600 + 139452481 = 24460^2 + 11809^2 .

It is a cyclic number.

It is not a de Polignac number, because 737744081 - 2¹⁸ = 737481937 is a prime.

It is a super-2 number, since 2×737744081² = 1088532658101069122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (737744071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368872040 + 368872041.

It is an arithmetic number, because the mean of its divisors is an integer number (368872041).

Almost surely, 2^737744081 is an apocalyptic number.

It is an amenable number.

737744081 is a deficient number, since it is larger than the sum of its proper divisors (1).

737744081 is an equidigital number, since it uses as much as digits as its factorization.

737744081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 737744081 is about 27161.4447517064. Note that the first 3 decimals coincide. The cubic root of 737744081 is about 903.5840952531.

The spelling of 737744081 in words is "seven hundred thirty-seven million, seven hundred forty-four thousand, eighty-one".