3870720026 has 8 divisors (see below), whose sum is σ = 5885615604. Its totient is φ = 1908848160.

The previous prime is 3870720019. The next prime is 3870720043. The reversal of 3870720026 is 6200270783.

It can be written as a sum of positive squares in 2 ways, for example, as 3868964401 + 1755625 = 62201^2 + 1325^2 .

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

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, 13255745 + ... + 13256036.

Almost surely, 2^3870720026 is an apocalyptic number.

3870720026 is a deficient number, since it is larger than the sum of its proper divisors (2014895578).

3870720026 is a wasteful number, since it uses less digits than its factorization.

3870720026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26511856.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 3870720026 is about 62215.1109136679. The cubic root of 3870720026 is about 1570.1118324061. Note that the first 3 decimals are identical.

The spelling of 3870720026 in words is "three billion, eight hundred seventy million, seven hundred twenty thousand, twenty-six".