4521090730 has 16 divisors (see below), whose sum is σ = 8763960744. Its totient is φ = 1669325760.

The previous prime is 4521090727. The next prime is 4521090757. The reversal of 4521090730 is 370901254.

It can be written as a sum of positive squares in 4 ways, for example, as 2208154081 + 2312936649 = 46991^2 + 48093^2 .

It is a super-2 number, since 2×4521090730² = 40880522777783865800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4521090692 and 4521090701.

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, 17388681 + ... + 17388940.

Almost surely, 2^4521090730 is an apocalyptic number.

4521090730 is a deficient number, since it is larger than the sum of its proper divisors (4242870014).

4521090730 is a wasteful number, since it uses less digits than its factorization.

4521090730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34777641.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 4521090730 is about 67239.0565817219. The cubic root of 4521090730 is about 1653.5388667244.

Adding to 4521090730 its reverse (370901254), we get a palindrome (4891991984).

The spelling of 4521090730 in words is "four billion, five hundred twenty-one million, ninety thousand, seven hundred thirty".