690062274 has 64 divisors (see below), whose sum is σ = 1686879360. Its totient is φ = 209088000.

The previous prime is 690062239. The next prime is 690062291. The reversal of 690062274 is 472260096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67074 + ... + 76674.

It is an arithmetic number, because the mean of its divisors is an integer number (26357490).

Almost surely, 2^690062274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690062274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843439680).

690062274 is an abundant number, since it is smaller than the sum of its proper divisors (996817086).

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

690062274 is a wasteful number, since it uses less digits than its factorization.

690062274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645 (or 9617 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 690062274 is about 26269.0364117148. The cubic root of 690062274 is about 883.6821753867.

The spelling of 690062274 in words is "six hundred ninety million, sixty-two thousand, two hundred seventy-four".