690573743 has 2 divisors, whose sum is σ = 690573744. Its totient is φ = 690573742.

The previous prime is 690573733. The next prime is 690573797. The reversal of 690573743 is 347375096.

690573743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 690573743 - 2¹² = 690569647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690573694 and 690573703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690573703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345286871 + 345286872.

It is an arithmetic number, because the mean of its divisors is an integer number (345286872).

Almost surely, 2^690573743 is an apocalyptic number.

690573743 is a deficient number, since it is larger than the sum of its proper divisors (1).

690573743 is an equidigital number, since it uses as much as digits as its factorization.

690573743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 690573743 is about 26278.7698151949. The cubic root of 690573743 is about 883.9004476763.

The spelling of 690573743 in words is "six hundred ninety million, five hundred seventy-three thousand, seven hundred forty-three".