71307707 has 16 divisors (see below), whose sum is σ = 77347872. Its totient is φ = 65495040.

The previous prime is 71307701. The next prime is 71307721. The reversal of 71307707 is 70770317.

It is a cyclic number.

It is not a de Polignac number, because 71307707 - 2⁸ = 71307451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71307701) 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, 136607 + ... + 137127.

It is an arithmetic number, because the mean of its divisors is an integer number (4834242).

Almost surely, 2^71307707 is an apocalyptic number.

71307707 is a deficient number, since it is larger than the sum of its proper divisors (6040165).

71307707 is a wasteful number, since it uses less digits than its factorization.

71307707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 7203, while the sum is 32.

The square root of 71307707 is about 8444.3890838829. The cubic root of 71307707 is about 414.6791093713.

The spelling of 71307707 in words is "seventy-one million, three hundred seven thousand, seven hundred seven".