71796906 has 12 divisors (see below), whose sum is σ = 155560002. Its totient is φ = 23932296.

The previous prime is 71796827. The next prime is 71796911. The reversal of 71796906 is 60969717.

It can be written as a sum of positive squares in only one way, i.e., 43441281 + 28355625 = 6591^2 + 5325^2 .

It is a super-2 number, since 2×71796906² = 10309591422345672, which contains 22 as substring.

It is a plaindrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 1994341 + ... + 1994376.

Almost surely, 2^71796906 is an apocalyptic number.

71796906 is an abundant number, since it is smaller than the sum of its proper divisors (83763096).

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

71796906 is a wasteful number, since it uses less digits than its factorization.

71796906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988725 (or 3988722 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 71796906 is about 8473.3054943157. The cubic root of 71796906 is about 415.6252364820.

The spelling of 71796906 in words is "seventy-one million, seven hundred ninety-six thousand, nine hundred six".