3551020730 has 8 divisors (see below), whose sum is σ = 6391837332. Its totient is φ = 1420408288.

The previous prime is 3551020729. The next prime is 3551020747. The reversal of 3551020730 is 370201553.

3551020730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3543463729 + 7557001 = 59527^2 + 2749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3551020730.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177551027 + ... + 177551046.

Almost surely, 2^3551020730 is an apocalyptic number.

3551020730 is a deficient number, since it is larger than the sum of its proper divisors (2840816602).

3551020730 is a wasteful number, since it uses less digits than its factorization.

3551020730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355102080.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 3551020730 is about 59590.4415993035. The cubic root of 3551020730 is about 1525.6364957502.

The spelling of 3551020730 in words is "three billion, five hundred fifty-one million, twenty thousand, seven hundred thirty".