347457045672 has 72 divisors (see below), whose sum is σ = 1034354764170. Its totient is φ = 105290011200.

The previous prime is 347457045667. The next prime is 347457045701. The reversal of 347457045672 is 276540754743.

347457045672 is a `hidden beast` number, since 3 + 4 + 7 + 4 + 5 + 70 + 4 + 567 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 347446586916 + 10458756 = 589446^2 + 3234^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×347457045672² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19932579 + ... + 19950002.

Almost surely, 2^347457045672 is an apocalyptic number.

It is an amenable number.

347457045672 is an abundant number, since it is smaller than the sum of its proper divisors (686897718498).

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

347457045672 is a wasteful number, since it uses less digits than its factorization.

347457045672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39882615 (or 39882597 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 54.

The spelling of 347457045672 in words is "three hundred forty-seven billion, four hundred fifty-seven million, forty-five thousand, six hundred seventy-two".