690329774 has 16 divisors (see below), whose sum is σ = 1137386880. Its totient is φ = 312780600.

The previous prime is 690329767. The next prime is 690329791. The reversal of 690329774 is 477923096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394052 + ... + 395799.

It is an arithmetic number, because the mean of its divisors is an integer number (71086680).

Almost surely, 2^690329774 is an apocalyptic number.

690329774 is a deficient number, since it is larger than the sum of its proper divisors (447057106).

690329774 is a wasteful number, since it uses less digits than its factorization.

690329774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789895.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 690329774 is about 26274.1274641043. The cubic root of 690329774 is about 883.7963459733.

The spelling of 690329774 in words is "six hundred ninety million, three hundred twenty-nine thousand, seven hundred seventy-four".