71738834 has 4 divisors (see below), whose sum is σ = 107608254. Its totient is φ = 35869416.

The previous prime is 71738833. The next prime is 71738857. The reversal of 71738834 is 43883717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 35438209 = 6025^2 + 5953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71738791 and 71738800.

It is not an unprimeable number, because it can be changed into a prime (71738833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17934707 + ... + 17934710.

Almost surely, 2^71738834 is an apocalyptic number.

71738834 is a deficient number, since it is larger than the sum of its proper divisors (35869420).

71738834 is a wasteful number, since it uses less digits than its factorization.

71738834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35869419.

The product of its digits is 112896, while the sum is 41.

The square root of 71738834 is about 8469.8780392636. The cubic root of 71738834 is about 415.5131485551.

The spelling of 71738834 in words is "seventy-one million, seven hundred thirty-eight thousand, eight hundred thirty-four".