71972476 has 24 divisors (see below), whose sum is σ = 128085440. Its totient is φ = 35380800.

The previous prime is 71972449. The next prime is 71972501. The reversal of 71972476 is 67427917.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132766 + ... + 133306.

Almost surely, 2^71972476 is an apocalyptic number.

It is an amenable number.

71972476 is a deficient number, since it is larger than the sum of its proper divisors (56112964).

71972476 is a wasteful number, since it uses less digits than its factorization.

71972476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 71972476 is about 8483.6593519542. The cubic root of 71972476 is about 415.9637465325.

The spelling of 71972476 in words is "seventy-one million, nine hundred seventy-two thousand, four hundred seventy-six".