71996316 has 24 divisors (see below), whose sum is σ = 191990400. Its totient is φ = 20570352.

The previous prime is 71996297. The next prime is 71996317. The reversal of 71996316 is 61369917.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71996317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428466 + ... + 428633.

It is an arithmetic number, because the mean of its divisors is an integer number (7999600).

Almost surely, 2^71996316 is an apocalyptic number.

It is an amenable number.

71996316 is an abundant number, since it is smaller than the sum of its proper divisors (119994084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71996316 is a wasteful number, since it uses less digits than its factorization.

71996316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857113 (or 857111 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 71996316 is about 8485.0642896798. The cubic root of 71996316 is about 416.0096690923.

The spelling of 71996316 in words is "seventy-one million, nine hundred ninety-six thousand, three hundred sixteen".