736846021 has 2 divisors, whose sum is σ = 736846022. Its totient is φ = 736846020.

The previous prime is 736846003. The next prime is 736846039. The reversal of 736846021 is 120648637.

It is a balanced prime because it is at equal distance from previous prime (736846003) and next prime (736846039).

It can be written as a sum of positive squares in only one way, i.e., 735168996 + 1677025 = 27114^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 736846021 - 2⁹ = 736845509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (736846001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368423010 + 368423011.

It is an arithmetic number, because the mean of its divisors is an integer number (368423011).

Almost surely, 2^736846021 is an apocalyptic number.

It is an amenable number.

736846021 is a deficient number, since it is larger than the sum of its proper divisors (1).

736846021 is an equidigital number, since it uses as much as digits as its factorization.

736846021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 736846021 is about 27144.9078281729. The cubic root of 736846021 is about 903.2173003864.

Subtracting from 736846021 its product of nonzero digits (48384), we obtain a palindrome (736797637).

The spelling of 736846021 in words is "seven hundred thirty-six million, eight hundred forty-six thousand, twenty-one".