71748346 has 4 divisors (see below), whose sum is σ = 107622522. Its totient is φ = 35874172.

The previous prime is 71748343. The next prime is 71748361. The reversal of 71748346 is 64384717.

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., 63824121 + 7924225 = 7989^2 + 2815^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 71748299 and 71748308.

It is not an unprimeable number, because it can be changed into a prime (71748343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17937085 + ... + 17937088.

Almost surely, 2^71748346 is an apocalyptic number.

71748346 is a deficient number, since it is larger than the sum of its proper divisors (35874176).

71748346 is a wasteful number, since it uses less digits than its factorization.

71748346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874175.

The product of its digits is 112896, while the sum is 40.

The square root of 71748346 is about 8470.4395399530. The cubic root of 71748346 is about 415.5315123253.

The spelling of 71748346 in words is "seventy-one million, seven hundred forty-eight thousand, three hundred forty-six".