71002270 has 8 divisors (see below), whose sum is σ = 127804104. Its totient is φ = 28400904.

The previous prime is 71002247. The next prime is 71002301. The reversal of 71002270 is 7220017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550104 + ... + 3550123.

It is an arithmetic number, because the mean of its divisors is an integer number (15975513).

Almost surely, 2^71002270 is an apocalyptic number.

71002270 is a deficient number, since it is larger than the sum of its proper divisors (56801834).

71002270 is a wasteful number, since it uses less digits than its factorization.

71002270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100234.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 71002270 is about 8426.2844718179. The cubic root of 71002270 is about 414.0861878794.

Adding to 71002270 its reverse (7220017), we get a palindrome (78222287).

The spelling of 71002270 in words is "seventy-one million, two thousand, two hundred seventy".