71049800 has 48 divisors (see below), whose sum is σ = 174916260. Its totient is φ = 26746880.

The previous prime is 71049793. The next prime is 71049809. The reversal of 71049800 is 894017.

It can be written as a sum of positive squares in 6 ways, for example, as 39262756 + 31787044 = 6266^2 + 5638^2 .

It is not an unprimeable number, because it can be changed into a prime (71049809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7049 + ... + 13848.

Almost surely, 2^71049800 is an apocalyptic number.

It is an amenable number.

71049800 is an abundant number, since it is smaller than the sum of its proper divisors (103866460).

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

71049800 is a wasteful number, since it uses less digits than its factorization.

71049800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930 (or 20921 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 71049800 is about 8429.1043415063. The cubic root of 71049800 is about 414.1785658012.

The spelling of 71049800 in words is "seventy-one million, forty-nine thousand, eight hundred".