71427316 has 24 divisors (see below), whose sum is σ = 128769536. Its totient is φ = 34642080.

The previous prime is 71427313. The next prime is 71427329. The reversal of 71427316 is 61372417.

It is a super-2 number, since 2×71427316² = 10203722941927712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71427311) 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, 71581 + ... + 72571.

Almost surely, 2^71427316 is an apocalyptic number.

It is an amenable number.

71427316 is a deficient number, since it is larger than the sum of its proper divisors (57342220).

71427316 is a wasteful number, since it uses less digits than its factorization.

71427316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1517 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 71427316 is about 8451.4682748029. The cubic root of 71427316 is about 414.9108358304.

The spelling of 71427316 in words is "seventy-one million, four hundred twenty-seven thousand, three hundred sixteen".