71934231 has 4 divisors (see below), whose sum is σ = 95912312. Its totient is φ = 47956152.

The previous prime is 71934221. The next prime is 71934241. The reversal of 71934231 is 13243917.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (71934221) and next prime (71934241).

It is not a de Polignac number, because 71934231 - 2⁵ = 71934199 is a prime.

It is a super-2 number, since 2×71934231² = 10349067179122722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71934211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11989036 + ... + 11989041.

It is an arithmetic number, because the mean of its divisors is an integer number (23978078).

Almost surely, 2^71934231 is an apocalyptic number.

71934231 is a deficient number, since it is larger than the sum of its proper divisors (23978081).

71934231 is a wasteful number, since it uses less digits than its factorization.

71934231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978080.

The product of its digits is 4536, while the sum is 30.

The square root of 71934231 is about 8481.4050133218. The cubic root of 71934231 is about 415.8900546943.

The spelling of 71934231 in words is "seventy-one million, nine hundred thirty-four thousand, two hundred thirty-one".