671714350272 has 126 divisors (see below), whose sum is σ = 2239690512228. Its totient is φ = 191918377728.

The previous prime is 671714350271. The next prime is 671714350277. The reversal of 671714350272 is 272053417176.

671714350272 is a `hidden beast` number, since 6 + 7 + 1 + 71 + 4 + 3 + 502 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

It is a super-2 number, since 2×671714350272² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671714350271) 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 17 ways as a sum of consecutive naturals, for example, 11871478 + ... + 11927925.

Almost surely, 2^671714350272 is an apocalyptic number.

It is an amenable number.

671714350272 is an abundant number, since it is smaller than the sum of its proper divisors (1567976161956).

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

671714350272 is a wasteful number, since it uses less digits than its factorization.

671714350272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23799435 (or 23799415 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 671714350272 in words is "six hundred seventy-one billion, seven hundred fourteen million, three hundred fifty thousand, two hundred seventy-two".