368630781 has 8 divisors (see below), whose sum is σ = 491637600. Its totient is φ = 245688912.

The previous prime is 368630707. The next prime is 368630833. The reversal of 368630781 is 187036863.

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

It is not a de Polignac number, because 368630781 - 2¹⁰ = 368629757 is a prime.

It is a super-2 number, since 2×368630781² = 271777305401339922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368630081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (61454700).

Almost surely, 2^368630781 is an apocalyptic number.

It is an amenable number.

368630781 is a deficient number, since it is larger than the sum of its proper divisors (123006819).

368630781 is a wasteful number, since it uses less digits than its factorization.

368630781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 368630781 is about 19199.7599203740. The cubic root of 368630781 is about 717.0187822479.

The spelling of 368630781 in words is "three hundred sixty-eight million, six hundred thirty thousand, seven hundred eighty-one".