71153234 has 4 divisors (see below), whose sum is σ = 106729854. Its totient is φ = 35576616.

The previous prime is 71153231. The next prime is 71153239. The reversal of 71153234 is 43235117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43235117 = 307 ⋅140831.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 1380625 = 8353^2 + 1175^2 .

It is not an unprimeable number, because it can be changed into a prime (71153231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17788307 + ... + 17788310.

Almost surely, 2^71153234 is an apocalyptic number.

71153234 is a deficient number, since it is larger than the sum of its proper divisors (35576620).

71153234 is a wasteful number, since it uses less digits than its factorization.

71153234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35576619.

The product of its digits is 2520, while the sum is 26.

The square root of 71153234 is about 8435.2376374350. The cubic root of 71153234 is about 414.3794548196.

The spelling of 71153234 in words is "seventy-one million, one hundred fifty-three thousand, two hundred thirty-four".