71383707 has 16 divisors (see below), whose sum is σ = 107205280. Its totient is φ = 46935936.

The previous prime is 71383681. The next prime is 71383709. The reversal of 71383707 is 70738317.

It is a happy number.

It is not a de Polignac number, because 71383707 - 2⁷ = 71383579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71383709) 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, 16138 + ... + 20079.

It is an arithmetic number, because the mean of its divisors is an integer number (6700330).

Almost surely, 2^71383707 is an apocalyptic number.

71383707 is a deficient number, since it is larger than the sum of its proper divisors (35821573).

71383707 is a wasteful number, since it uses less digits than its factorization.

71383707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36299 (or 36293 counting only the distinct ones).

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

The square root of 71383707 is about 8448.8879149862. The cubic root of 71383707 is about 414.8263792050.

The spelling of 71383707 in words is "seventy-one million, three hundred eighty-three thousand, seven hundred seven".