630248774 has 8 divisors (see below), whose sum is σ = 947425248. Its totient is φ = 314440360.

The previous prime is 630248747. The next prime is 630248789. The reversal of 630248774 is 477842036.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340862 + ... + 342705.

It is an arithmetic number, because the mean of its divisors is an integer number (118428156).

Almost surely, 2^630248774 is an apocalyptic number.

630248774 is a deficient number, since it is larger than the sum of its proper divisors (317176474).

630248774 is a wasteful number, since it uses less digits than its factorization.

630248774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684030.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 630248774 is about 25104.7560035942. The cubic root of 630248774 is about 857.3747117255.

The spelling of 630248774 in words is "six hundred thirty million, two hundred forty-eight thousand, seven hundred seventy-four".