634227340 has 24 divisors (see below), whose sum is σ = 1332384480. Its totient is φ = 253594368.

The previous prime is 634227337. The next prime is 634227343. The reversal of 634227340 is 43722436.

It is an interprime number because it is at equal distance from previous prime (634227337) and next prime (634227343).

It is not an unprimeable number, because it can be changed into a prime (634227343) 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, 73156 + ... + 81364.

It is an arithmetic number, because the mean of its divisors is an integer number (55516020).

Almost surely, 2^634227340 is an apocalyptic number.

It is an amenable number.

634227340 is an abundant number, since it is smaller than the sum of its proper divisors (698157140).

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

634227340 is a wasteful number, since it uses less digits than its factorization.

634227340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081 (or 12079 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 634227340 is about 25183.8706318151. The cubic root of 634227340 is about 859.1750426946.

Adding to 634227340 its reverse (43722436), we get a palindrome (677949776).

The spelling of 634227340 in words is "six hundred thirty-four million, two hundred twenty-seven thousand, three hundred forty".