71067276 has 144 divisors (see below), whose sum is σ = 222191424. Its totient is φ = 18690048.

The previous prime is 71067251. The next prime is 71067289. The reversal of 71067276 is 67276017.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 71067276.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226896 + ... + 227208.

It is an arithmetic number, because the mean of its divisors is an integer number (1542996).

Almost surely, 2^71067276 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 71067276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111095712).

71067276 is an abundant number, since it is smaller than the sum of its proper divisors (151124148).

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

71067276 is a wasteful number, since it uses less digits than its factorization.

71067276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 71067276 is about 8430.1409240890. The cubic root of 71067276 is about 414.2125212862.

The spelling of 71067276 in words is "seventy-one million, sixty-seven thousand, two hundred seventy-six".