737441921 has 2 divisors, whose sum is σ = 737441922. Its totient is φ = 737441920.

The previous prime is 737441917. The next prime is 737441923. The reversal of 737441921 is 129144737.

It is a happy number.

737441921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 517335025 + 220106896 = 22745^2 + 14836^2 .

It is a cyclic number.

It is not a de Polignac number, because 737441921 - 2² = 737441917 is a prime.

Together with 737441923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (737441923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368720960 + 368720961.

It is an arithmetic number, because the mean of its divisors is an integer number (368720961).

Almost surely, 2^737441921 is an apocalyptic number.

It is an amenable number.

737441921 is a deficient number, since it is larger than the sum of its proper divisors (1).

737441921 is an equidigital number, since it uses as much as digits as its factorization.

737441921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 737441921 is about 27155.8818858825. The cubic root of 737441921 is about 903.4607172143.

The spelling of 737441921 in words is "seven hundred thirty-seven million, four hundred forty-one thousand, nine hundred twenty-one".