347706473472 has 440 divisors, whose sum is σ = 1075464879984. Its totient is φ = 111811166208.

The previous prime is 347706473467. The next prime is 347706473483. The reversal of 347706473472 is 274374607743.

It is a happy number.

347706473472 is a `hidden beast` number, since 3 + 47 + 7 + 0 + 64 + 73 + 472 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 420442723 + ... + 420443549.

Almost surely, 2^347706473472 is an apocalyptic number.

347706473472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347706473472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537732439992).

347706473472 is an abundant number, since it is smaller than the sum of its proper divisors (727758406512).

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

347706473472 is a wasteful number, since it uses less digits than its factorization.

347706473472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 54.

The spelling of 347706473472 in words is "three hundred forty-seven billion, seven hundred six million, four hundred seventy-three thousand, four hundred seventy-two".