71453934 has 16 divisors (see below), whose sum is σ = 158786640. Its totient is φ = 23817960.

The previous prime is 71453909. The next prime is 71453947. The reversal of 71453934 is 43935417.

It is a congruent 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, 661557 + ... + 661664.

It is an arithmetic number, because the mean of its divisors is an integer number (9924165).

Almost surely, 2^71453934 is an apocalyptic number.

71453934 is an abundant number, since it is smaller than the sum of its proper divisors (87332706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71453934 is a wasteful number, since it uses less digits than its factorization.

71453934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323232 (or 1323226 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 71453934 is about 8453.0428840743. The cubic root of 71453934 is about 414.9623694529.

The spelling of 71453934 in words is "seventy-one million, four hundred fifty-three thousand, nine hundred thirty-four".