4720690 has 16 divisors (see below), whose sum is σ = 9151128. Its totient is φ = 1742976.

The previous prime is 4720663. The next prime is 4720693. The reversal of 4720690 is 960274.

It can be written as a sum of positive squares in 4 ways, for example, as 1968409 + 2752281 = 1403^2 + 1659^2 .

It is a super-2 number, since 2×4720690² = 44569828152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4720693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18027 + ... + 18286.

Almost surely, 2^4720690 is an apocalyptic number.

4720690 is a deficient number, since it is larger than the sum of its proper divisors (4430438).

4720690 is a wasteful number, since it uses less digits than its factorization.

4720690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36333.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4720690 is about 2172.7148915585. The cubic root of 4720690 is about 167.7523041047.

The spelling of 4720690 in words is "four million, seven hundred twenty thousand, six hundred ninety".