637074242 has 16 divisors (see below), whose sum is σ = 1127357952. Its totient is φ = 264224160.

The previous prime is 637074241. The next prime is 637074281. The reversal of 637074242 is 242470736.

It is not an unprimeable number, because it can be changed into a prime (637074241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733523 + ... + 734390.

It is an arithmetic number, because the mean of its divisors is an integer number (70459872).

Almost surely, 2^637074242 is an apocalyptic number.

637074242 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

637074242 is a deficient number, since it is larger than the sum of its proper divisors (490283710).

637074242 is a wasteful number, since it uses less digits than its factorization.

637074242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467953.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 637074242 is about 25240.3296729658. The cubic root of 637074242 is about 860.4586709598.

The spelling of 637074242 in words is "six hundred thirty-seven million, seventy-four thousand, two hundred forty-two".