71037070 has 32 divisors (see below), whose sum is σ = 138509280. Its totient is φ = 26075520.

The previous prime is 71037049. The next prime is 71037073. The reversal of 71037070 is 7073017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71037073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22021 + ... + 25039.

It is an arithmetic number, because the mean of its divisors is an integer number (4328415).

Almost surely, 2^71037070 is an apocalyptic number.

71037070 is a deficient number, since it is larger than the sum of its proper divisors (67472210).

71037070 is a wasteful number, since it uses less digits than its factorization.

71037070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its (nonzero) digits is 1029, while the sum is 25.

The square root of 71037070 is about 8428.3491859320. The cubic root of 71037070 is about 414.1538281850.

The spelling of 71037070 in words is "seventy-one million, thirty-seven thousand, seventy".