4729307856 has 80 divisors (see below), whose sum is σ = 15036787584. Its totient is φ = 1247288832.

The previous prime is 4729307833. The next prime is 4729307881. The reversal of 4729307856 is 6587039274.

It is a junction number, because it is equal to n+sod(n) for n = 4729307799 and 4729307808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536991 + ... + 545726.

Almost surely, 2^4729307856 is an apocalyptic number.

It is an amenable number.

4729307856 is an abundant number, since it is smaller than the sum of its proper divisors (10307479728).

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

4729307856 is a wasteful number, since it uses less digits than its factorization.

4729307856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082748 (or 1082742 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 4729307856 is about 68769.9633270224. The cubic root of 4729307856 is about 1678.5432212753.

The spelling of 4729307856 in words is "four billion, seven hundred twenty-nine million, three hundred seven thousand, eight hundred fifty-six".