71342456 has 16 divisors (see below), whose sum is σ = 134330400. Its totient is φ = 35521024.

The previous prime is 71342449. The next prime is 71342459. The reversal of 71342456 is 65424317.

It is a super-2 number, since 2×71342456² = 10179492056223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71342459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (8395650).

Almost surely, 2^71342456 is an apocalyptic number.

It is an amenable number.

71342456 is a deficient number, since it is larger than the sum of its proper divisors (62987944).

71342456 is a wasteful number, since it uses less digits than its factorization.

71342456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37558 (or 37554 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 71342456 is about 8446.4463533488. The cubic root of 71342456 is about 414.7464576049.

The spelling of 71342456 in words is "seventy-one million, three hundred forty-two thousand, four hundred fifty-six".