71402313 has 16 divisors (see below), whose sum is σ = 96521216. Its totient is φ = 46947600.

The previous prime is 71402299. The next prime is 71402339. The reversal of 71402313 is 31320417.

It is not a de Polignac number, because 71402313 - 2¹⁰ = 71401289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71402313.

It is not an unprimeable number, because it can be changed into a prime (71402113) 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, 73356 + ... + 74322.

It is an arithmetic number, because the mean of its divisors is an integer number (6032576).

Almost surely, 2^71402313 is an apocalyptic number.

It is an amenable number.

71402313 is a deficient number, since it is larger than the sum of its proper divisors (25118903).

71402313 is a wasteful number, since it uses less digits than its factorization.

71402313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 71402313 is about 8449.9889349040. The cubic root of 71402313 is about 414.8624172565.

It can be divided in two parts, 7140 and 2313, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 71402313 in words is "seventy-one million, four hundred two thousand, three hundred thirteen".