2147672826 has 64 divisors (see below), whose sum is σ = 5148460800. Its totient is φ = 659700288.

The previous prime is 2147672801. The next prime is 2147672843. The reversal of 2147672826 is 6282767412.

It is a happy number.

It is a super-2 number, since 2×2147672826² = 9224997135077652552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472995 + ... + 477513.

It is an arithmetic number, because the mean of its divisors is an integer number (80444700).

Almost surely, 2^2147672826 is an apocalyptic number.

2147672826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147672826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574230400).

2147672826 is an abundant number, since it is smaller than the sum of its proper divisors (3000787974).

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

2147672826 is a wasteful number, since it uses less digits than its factorization.

2147672826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5214 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 2147672826 is about 46342.9911205567. The cubic root of 2147672826 is about 1290.1970385880.

The spelling of 2147672826 in words is "two billion, one hundred forty-seven million, six hundred seventy-two thousand, eight hundred twenty-six".