2173450770 has 24 divisors (see below), whose sum is σ = 5650972236. Its totient is φ = 579586848.

The previous prime is 2173450723. The next prime is 2173450789. The reversal of 2173450770 is 770543712.

It can be written as a sum of positive squares in 2 ways, for example, as 2085109569 + 88341201 = 45663^2 + 9399^2 .

It is a super-2 number, since 2×2173450770² = 9447776499227185800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12074637 + ... + 12074816.

Almost surely, 2^2173450770 is an apocalyptic number.

2173450770 is an abundant number, since it is smaller than the sum of its proper divisors (3477521466).

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

2173450770 is a wasteful number, since it uses less digits than its factorization.

2173450770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24149466 (or 24149463 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 2173450770 is about 46620.2828176750. The cubic root of 2173450770 is about 1295.3384862768.

The spelling of 2173450770 in words is "two billion, one hundred seventy-three million, four hundred fifty thousand, seven hundred seventy".