2070717880 has 64 divisors (see below), whose sum is σ = 5808775680. Its totient is φ = 645417600.

The previous prime is 2070717863. The next prime is 2070717893. The reversal of 2070717880 is 887170702.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333076 + ... + 339235.

It is an arithmetic number, because the mean of its divisors is an integer number (90762120).

Almost surely, 2^2070717880 is an apocalyptic number.

2070717880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2070717880 is an abundant number, since it is smaller than the sum of its proper divisors (3738057800).

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

2070717880 is a wasteful number, since it uses less digits than its factorization.

2070717880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672340 (or 672336 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 2070717880 is about 45505.1412479953. The cubic root of 2070717880 is about 1274.5992086409.

The spelling of 2070717880 in words is "two billion, seventy million, seven hundred seventeen thousand, eight hundred eighty".