71622434 has 16 divisors (see below), whose sum is σ = 118390272. Its totient is φ = 32287248.

The previous prime is 71622413. The next prime is 71622461. The reversal of 71622434 is 43422617.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71622397 and 71622406.

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, 30914 + ... + 33149.

It is an arithmetic number, because the mean of its divisors is an integer number (7399392).

Almost surely, 2^71622434 is an apocalyptic number.

71622434 is a deficient number, since it is larger than the sum of its proper divisors (46767838).

71622434 is a wasteful number, since it uses less digits than its factorization.

71622434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64121.

The product of its digits is 8064, while the sum is 29.

The square root of 71622434 is about 8463.0038402449. The cubic root of 71622434 is about 415.2882963142.

The spelling of 71622434 in words is "seventy-one million, six hundred twenty-two thousand, four hundred thirty-four".