71750345 has 8 divisors (see below), whose sum is σ = 86429376. Its totient is φ = 57180976.

The previous prime is 71750311. The next prime is 71750351. The reversal of 71750345 is 54305717.

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

It is a cyclic number.

It is not a de Polignac number, because 71750345 - 2⁶ = 71750281 is a prime.

It is a super-2 number, since 2×71750345² = 10296224015238050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25967 + ... + 28596.

It is an arithmetic number, because the mean of its divisors is an integer number (10803672).

Almost surely, 2^71750345 is an apocalyptic number.

It is an amenable number.

71750345 is a deficient number, since it is larger than the sum of its proper divisors (14679031).

71750345 is a wasteful number, since it uses less digits than its factorization.

71750345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54831.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 71750345 is about 8470.5575377303. The cubic root of 71750345 is about 415.5353713680.

The spelling of 71750345 in words is "seventy-one million, seven hundred fifty thousand, three hundred forty-five".