690862746 has 16 divisors (see below), whose sum is σ = 1579114944. Its totient is φ = 197389344.

The previous prime is 690862717. The next prime is 690862763. The reversal of 690862746 is 647268096.

It is a junction number, because it is equal to n+sod(n) for n = 690862695 and 690862704.

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, 8224515 + ... + 8224598.

It is an arithmetic number, because the mean of its divisors is an integer number (98694684).

Almost surely, 2^690862746 is an apocalyptic number.

690862746 is an abundant number, since it is smaller than the sum of its proper divisors (888252198).

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

690862746 is a wasteful number, since it uses less digits than its factorization.

690862746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16449125.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 690862746 is about 26284.2680324182. The cubic root of 690862746 is about 884.0237336912.

The spelling of 690862746 in words is "six hundred ninety million, eight hundred sixty-two thousand, seven hundred forty-six".