71087470 has 16 divisors (see below), whose sum is σ = 128055168. Its totient is φ = 28413280.

The previous prime is 71087437. The next prime is 71087477. The reversal of 71087470 is 7478017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71087477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20460 + ... + 23680.

It is an arithmetic number, because the mean of its divisors is an integer number (8003448).

Almost surely, 2^71087470 is an apocalyptic number.

71087470 is a deficient number, since it is larger than the sum of its proper divisors (56967698).

71087470 is a wasteful number, since it uses less digits than its factorization.

71087470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 71087470 is about 8431.3385651390. The cubic root of 71087470 is about 414.2517508537.

The spelling of 71087470 in words is "seventy-one million, eighty-seven thousand, four hundred seventy".