71734456 has 8 divisors (see below), whose sum is σ = 134502120. Its totient is φ = 35867224.

The previous prime is 71734451. The next prime is 71734457. The reversal of 71734456 is 65443717.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71734451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4483396 + ... + 4483411.

It is an arithmetic number, because the mean of its divisors is an integer number (16812765).

Almost surely, 2^71734456 is an apocalyptic number.

It is an amenable number.

71734456 is a deficient number, since it is larger than the sum of its proper divisors (62767664).

71734456 is a wasteful number, since it uses less digits than its factorization.

71734456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966813 (or 8966809 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 71734456 is about 8469.6195900406. The cubic root of 71734456 is about 415.5046958874.

The spelling of 71734456 in words is "seventy-one million, seven hundred thirty-four thousand, four hundred fifty-six".