627242390 has 8 divisors (see below), whose sum is σ = 1129036320. Its totient is φ = 250896952.

The previous prime is 627242359. The next prime is 627242411. The reversal of 627242390 is 93242726.

It is a happy number.

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

It is a super-3 number, since 3×627242390³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 627242390.

It is a congruent number.

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, 31362110 + ... + 31362129.

It is an arithmetic number, because the mean of its divisors is an integer number (141129540).

Almost surely, 2^627242390 is an apocalyptic number.

627242390 is a deficient number, since it is larger than the sum of its proper divisors (501793930).

627242390 is a wasteful number, since it uses less digits than its factorization.

627242390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62724246.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 627242390 is about 25044.8076454981. The cubic root of 627242390 is about 856.0092683583.

The spelling of 627242390 in words is "six hundred twenty-seven million, two hundred forty-two thousand, three hundred ninety".