737534821 has 2 divisors, whose sum is σ = 737534822. Its totient is φ = 737534820.

The previous prime is 737534797. The next prime is 737534881. The reversal of 737534821 is 128435737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609596100 + 127938721 = 24690^2 + 11311^2 .

It is a cyclic number.

It is not a de Polignac number, because 737534821 - 2⁵ = 737534789 is a prime.

It is a super-2 number, since 2×737534821² = 1087915224375004082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (737534881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368767410 + 368767411.

It is an arithmetic number, because the mean of its divisors is an integer number (368767411).

Almost surely, 2^737534821 is an apocalyptic number.

It is an amenable number.

737534821 is a deficient number, since it is larger than the sum of its proper divisors (1).

737534821 is an equidigital number, since it uses as much as digits as its factorization.

737534821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 737534821 is about 27157.5923270087. The cubic root of 737534821 is about 903.4986537505.

The spelling of 737534821 in words is "seven hundred thirty-seven million, five hundred thirty-four thousand, eight hundred twenty-one".