347945472 has 360 divisors, whose sum is σ = 1237126176. Its totient is φ = 93671424.

The previous prime is 347945453. The next prime is 347945483. The reversal of 347945472 is 274549743.

347945472 is a `hidden beast` number, since 34 + 79 + 4 + 547 + 2 = 666.

Its product of digits (846720) is a multiple of the sum of its prime factors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5193183 + ... + 5193249.

Almost surely, 2^347945472 is an apocalyptic number.

347945472 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 347945472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618563088).

347945472 is an abundant number, since it is smaller than the sum of its proper divisors (889180704).

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

347945472 is a wasteful number, since it uses less digits than its factorization.

347945472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 102 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 347945472 is about 18653.2965451150. The cubic root of 347945472 is about 703.3482259649.

The spelling of 347945472 in words is "three hundred forty-seven million, nine hundred forty-five thousand, four hundred seventy-two".