71945934 has 8 divisors (see below), whose sum is σ = 143891880. Its totient is φ = 23981976.

The previous prime is 71945927. The next prime is 71945999. The reversal of 71945934 is 43954917.

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

71945934 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5995489 + ... + 5995500.

It is an arithmetic number, because the mean of its divisors is an integer number (17986485).

Almost surely, 2^71945934 is an apocalyptic number.

71945934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71945934 is a wasteful number, since it uses less digits than its factorization.

71945934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990994.

The product of its digits is 136080, while the sum is 42.

The square root of 71945934 is about 8482.0949063306. The cubic root of 71945934 is about 415.9126072275.

The spelling of 71945934 in words is "seventy-one million, nine hundred forty-five thousand, nine hundred thirty-four".