690422071 has 8 divisors (see below), whose sum is σ = 743426640. Its totient is φ = 638794368.

The previous prime is 690422063. The next prime is 690422099. The reversal of 690422071 is 170224096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690422071 - 2³ = 690422063 is a prime.

It is a super-2 number, since 2×690422071² = 953365272247858082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690422011) 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 7 ways as a sum of consecutive naturals, for example, 343176 + ... + 345181.

It is an arithmetic number, because the mean of its divisors is an integer number (92928330).

Almost surely, 2^690422071 is an apocalyptic number.

690422071 is a deficient number, since it is larger than the sum of its proper divisors (53004569).

690422071 is a wasteful number, since it uses less digits than its factorization.

690422071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688433.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 690422071 is about 26275.8838290932. The cubic root of 690422071 is about 883.8357320365.

The spelling of 690422071 in words is "six hundred ninety million, four hundred twenty-two thousand, seventy-one".