71738705 has 8 divisors (see below), whose sum is σ = 86171904. Its totient is φ = 57334000.

The previous prime is 71738701. The next prime is 71738729. The reversal of 71738705 is 50783717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71738705 - 2² = 71738701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71738701) 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 in 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (10771488).

Almost surely, 2^71738705 is an apocalyptic number.

It is an amenable number.

71738705 is a deficient number, since it is larger than the sum of its proper divisors (14433199).

71738705 is a wasteful number, since it uses less digits than its factorization.

71738705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 71738705 is about 8469.8704240384. The cubic root of 71738705 is about 415.5128994978.

The spelling of 71738705 in words is "seventy-one million, seven hundred thirty-eight thousand, seven hundred five".