630779742 has 12 divisors (see below), whose sum is σ = 1366689480. Its totient is φ = 210259908.

The previous prime is 630779717. The next prime is 630779753. The reversal of 630779742 is 247977036.

It is a happy number.

630779742 is a `hidden beast` number, since 630 + 7 + 7 + 9 + 7 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17521642 + ... + 17521677.

It is an arithmetic number, because the mean of its divisors is an integer number (113890790).

Almost surely, 2^630779742 is an apocalyptic number.

630779742 is an abundant number, since it is smaller than the sum of its proper divisors (735909738).

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

630779742 is a wasteful number, since it uses less digits than its factorization.

630779742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35043327 (or 35043324 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 630779742 is about 25115.3288252414. The cubic root of 630779742 is about 857.6154160168.

The spelling of 630779742 in words is "six hundred thirty million, seven hundred seventy-nine thousand, seven hundred forty-two".