622630747674 has 40 divisors (see below), whose sum is σ = 1502473632660. Its totient is φ = 191578690944.

The previous prime is 622630747663. The next prime is 622630747681. The reversal of 622630747674 is 476747036226.

622630747674 is a `hidden beast` number, since 6 + 226 + 307 + 47 + 6 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 529671006225 + 92959741449 = 727785^2 + 304893^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 622630747674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 147820959 + ... + 147825170.

Almost surely, 2^622630747674 is an apocalyptic number.

622630747674 is an abundant number, since it is smaller than the sum of its proper divisors (879842884986).

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

622630747674 is a wasteful number, since it uses less digits than its factorization.

622630747674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295646156 (or 295646147 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 54.

The spelling of 622630747674 in words is "six hundred twenty-two billion, six hundred thirty million, seven hundred forty-seven thousand, six hundred seventy-four".