71213083 has 16 divisors (see below), whose sum is σ = 79142400. Its totient is φ = 63771840.

The previous prime is 71213081. The next prime is 71213111. The reversal of 71213083 is 38031217.

It is a cyclic number.

It is not a de Polignac number, because 71213083 - 2¹ = 71213081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71213081) 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, 37978 + ... + 39808.

It is an arithmetic number, because the mean of its divisors is an integer number (4946400).

Almost surely, 2^71213083 is an apocalyptic number.

71213083 is a deficient number, since it is larger than the sum of its proper divisors (7929317).

71213083 is a wasteful number, since it uses less digits than its factorization.

71213083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 71213083 is about 8438.7844503815. The cubic root of 71213083 is about 414.4956043581.

The spelling of 71213083 in words is "seventy-one million, two hundred thirteen thousand, eighty-three".