690315743 has 16 divisors (see below), whose sum is σ = 766402560. Its totient is φ = 617769696.

The previous prime is 690315653. The next prime is 690315749. The reversal of 690315743 is 347513096.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 690315743 - 2⁸ = 690315487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 690315697 and 690315706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690315749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60098 + ... + 70656.

It is an arithmetic number, because the mean of its divisors is an integer number (47900160).

Almost surely, 2^690315743 is an apocalyptic number.

690315743 is a deficient number, since it is larger than the sum of its proper divisors (76086817).

690315743 is a wasteful number, since it uses less digits than its factorization.

690315743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 690315743 is about 26273.8604510262. The cubic root of 690315743 is about 883.7903581923.

The spelling of 690315743 in words is "six hundred ninety million, three hundred fifteen thousand, seven hundred forty-three".