71538034 has 4 divisors (see below), whose sum is σ = 107307054. Its totient is φ = 35769016.

The previous prime is 71538017. The next prime is 71538107. The reversal of 71538034 is 43083517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43083517 = 1871 ⋅23027.

It can be written as a sum of positive squares in only one way, i.e., 67190809 + 4347225 = 8197^2 + 2085^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71537987 and 71538005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17884507 + ... + 17884510.

Almost surely, 2^71538034 is an apocalyptic number.

71538034 is a deficient number, since it is larger than the sum of its proper divisors (35769020).

71538034 is a wasteful number, since it uses less digits than its factorization.

71538034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35769019.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 71538034 is about 8458.0159612051. The cubic root of 71538034 is about 415.1251067144.

The spelling of 71538034 in words is "seventy-one million, five hundred thirty-eight thousand, thirty-four".