690773346 has 20 divisors (see below), whose sum is σ = 1547844342. Its totient is φ = 230257728.

The previous prime is 690773273. The next prime is 690773353. The reversal of 690773346 is 643377096.

It can be written as a sum of positive squares in only one way, i.e., 644601321 + 46172025 = 25389^2 + 6795^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2131855 + ... + 2132178.

Almost surely, 2^690773346 is an apocalyptic number.

690773346 is an abundant number, since it is smaller than the sum of its proper divisors (857070996).

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

690773346 is a wasteful number, since it uses less digits than its factorization.

690773346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264047 (or 4264038 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 690773346 is about 26282.5673403494. The cubic root of 690773346 is about 883.9856001490.

The spelling of 690773346 in words is "six hundred ninety million, seven hundred seventy-three thousand, three hundred forty-six".