690676734 has 32 divisors (see below), whose sum is σ = 1543691520. Its totient is φ = 204190400.

The previous prime is 690676717. The next prime is 690676739. The reversal of 690676734 is 437676096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690676739) 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, 124914 + ... + 130325.

It is an arithmetic number, because the mean of its divisors is an integer number (48240360).

Almost surely, 2^690676734 is an apocalyptic number.

690676734 is an abundant number, since it is smaller than the sum of its proper divisors (853014786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690676734 is a wasteful number, since it uses less digits than its factorization.

690676734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255296.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The square root of 690676734 is about 26280.7293277793. The cubic root of 690676734 is about 883.9443866313.

The spelling of 690676734 in words is "six hundred ninety million, six hundred seventy-six thousand, seven hundred thirty-four".