71641034 has 4 divisors (see below), whose sum is σ = 107461554. Its totient is φ = 35820516.

The previous prime is 71641033. The next prime is 71641051. The reversal of 71641034 is 43014617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43014617 = 41 ⋅1049137.

It can be written as a sum of positive squares in only one way, i.e., 51165409 + 20475625 = 7153^2 + 4525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71640994 and 71641012.

It is not an unprimeable number, because it can be changed into a prime (71641033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17910257 + ... + 17910260.

Almost surely, 2^71641034 is an apocalyptic number.

71641034 is a deficient number, since it is larger than the sum of its proper divisors (35820520).

71641034 is a wasteful number, since it uses less digits than its factorization.

71641034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35820519.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 71641034 is about 8464.1026695096. The cubic root of 71641034 is about 415.3242426573.

The spelling of 71641034 in words is "seventy-one million, six hundred forty-one thousand, thirty-four".