4727497656 has 64 divisors (see below), whose sum is σ = 13782816000. Its totient is φ = 1350711264.

The previous prime is 4727497651. The next prime is 4727497681. The reversal of 4727497656 is 6567947274.

It is a junction number, because it is equal to n+sod(n) for n = 4727497596 and 4727497605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4727497651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278910 + ... + 295373.

It is an arithmetic number, because the mean of its divisors is an integer number (215356500).

Almost surely, 2^4727497656 is an apocalyptic number.

It is an amenable number.

4727497656 is an abundant number, since it is smaller than the sum of its proper divisors (9055318344).

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

4727497656 is a wasteful number, since it uses less digits than its factorization.

4727497656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574313 (or 574295 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The square root of 4727497656 is about 68756.8007981756. The cubic root of 4727497656 is about 1678.3290330129.

It can be divided in two parts, 472 and 7497656, that added together give a triangular number (7498128 = T₃₈₇₂).

The spelling of 4727497656 in words is "four billion, seven hundred twenty-seven million, four hundred ninety-seven thousand, six hundred fifty-six".