630677790 has 48 divisors (see below), whose sum is σ = 1696312800. Its totient is φ = 162380736.

The previous prime is 630677771. The next prime is 630677791. The reversal of 630677790 is 97776036.

630677790 is a `hidden beast` number, since 630 + 6 + 7 + 7 + 7 + 9 + 0 = 666.

630677790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630677791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118210 + ... + 123429.

It is an arithmetic number, because the mean of its divisors is an integer number (35339850).

Almost surely, 2^630677790 is an apocalyptic number.

630677790 is an abundant number, since it is smaller than the sum of its proper divisors (1065635010).

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

630677790 is a wasteful number, since it uses less digits than its factorization.

630677790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241681 (or 241678 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The square root of 630677790 is about 25113.2990664309. The cubic root of 630677790 is about 857.5692084887.

The spelling of 630677790 in words is "six hundred thirty million, six hundred seventy-seven thousand, seven hundred ninety".