4727720 has 32 divisors (see below), whose sum is σ = 10712520. Its totient is φ = 1877760.

The previous prime is 4727711. The next prime is 4727731. The reversal of 4727720 is 277274.

It can be written as a sum of positive squares in 4 ways, for example, as 1623076 + 3104644 = 1274^2 + 1762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6914 + ... + 7566.

Almost surely, 2^4727720 is an apocalyptic number.

4727720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4727720 is an abundant number, since it is smaller than the sum of its proper divisors (5984800).

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

4727720 is a wasteful number, since it uses less digits than its factorization.

4727720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 4727720 is about 2174.3320813528. The cubic root of 4727720 is about 167.8355344363.

It can be divided in two parts, 472 and 7720, that added together give a 13-th power (8192 = 2¹³).

The spelling of 4727720 in words is "four million, seven hundred twenty-seven thousand, seven hundred twenty".