2117672452 has 48 divisors (see below), whose sum is σ = 4464149760. Its totient is φ = 859727232.

The previous prime is 2117672449. The next prime is 2117672461. The reversal of 2117672452 is 2542767112.

It is a super-2 number, since 2×2117672452² = 8969073227919384608, which contains 22 as substring.

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, 18433 + ... + 67639.

It is an arithmetic number, because the mean of its divisors is an integer number (93003120).

Almost surely, 2^2117672452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117672452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232074880).

2117672452 is an abundant number, since it is smaller than the sum of its proper divisors (2346477308).

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

2117672452 is a wasteful number, since it uses less digits than its factorization.

2117672452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49300 (or 49298 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 2117672452 is about 46018.1752354437. The cubic root of 2117672452 is about 1284.1613531890.

The spelling of 2117672452 in words is "two billion, one hundred seventeen million, six hundred seventy-two thousand, four hundred fifty-two".