690790970 has 32 divisors (see below), whose sum is σ = 1315291392. Its totient is φ = 260675712.

The previous prime is 690790963. The next prime is 690790979. The reversal of 690790970 is 79097096.

It is not an unprimeable number, because it can be changed into a prime (690790979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3782 + ... + 37361.

It is an arithmetic number, because the mean of its divisors is an integer number (41102856).

Almost surely, 2^690790970 is an apocalyptic number.

690790970 is a deficient number, since it is larger than the sum of its proper divisors (624500422).

690790970 is a wasteful number, since it uses less digits than its factorization.

690790970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41246.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 690790970 is about 26282.9026174812. The cubic root of 690790970 is about 883.9931179211.

The spelling of 690790970 in words is "six hundred ninety million, seven hundred ninety thousand, nine hundred seventy".