676390090 has 8 divisors (see below), whose sum is σ = 1217502180. Its totient is φ = 270556032.

The previous prime is 676390087. The next prime is 676390103. The reversal of 676390090 is 90093676.

It can be written as a sum of positive squares in 2 ways, for example, as 633579241 + 42810849 = 25171^2 + 6543^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33819495 + ... + 33819514.

Almost surely, 2^676390090 is an apocalyptic number.

676390090 is a deficient number, since it is larger than the sum of its proper divisors (541112090).

676390090 is a wasteful number, since it uses less digits than its factorization.

676390090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67639016.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 676390090 is about 26007.5006488513. The cubic root of 676390090 is about 877.8070786150.

The spelling of 676390090 in words is "six hundred seventy-six million, three hundred ninety thousand, ninety".