4728690 has 24 divisors (see below), whose sum is σ = 12294828. Its totient is φ = 1260960.

The previous prime is 4728677. The next prime is 4728697. The reversal of 4728690 is 968274.

It can be written as a sum of positive squares in 2 ways, for example, as 4372281 + 356409 = 2091^2 + 597^2 .

It is a super-2 number, since 2×4728690² = 44721018232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4728697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26181 + ... + 26360.

Almost surely, 2^4728690 is an apocalyptic number.

4728690 is an abundant number, since it is smaller than the sum of its proper divisors (7566138).

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

4728690 is a wasteful number, since it uses less digits than its factorization.

4728690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52554 (or 52551 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4728690 is about 2174.5551269168. Note that the first 3 decimals coincide. The cubic root of 4728690 is about 167.8470120856.

The spelling of 4728690 in words is "four million, seven hundred twenty-eight thousand, six hundred ninety".