71478532 has 24 divisors (see below), whose sum is σ = 132179040. Its totient is φ = 33727680.

The previous prime is 71478527. The next prime is 71478541. The reversal of 71478532 is 23587417.

It is a junction number, because it is equal to n+sod(n) for n = 71478491 and 71478500.

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, 19683 + ... + 23029.

It is an arithmetic number, because the mean of its divisors is an integer number (5507460).

Almost surely, 2^71478532 is an apocalyptic number.

It is an amenable number.

71478532 is a deficient number, since it is larger than the sum of its proper divisors (60700508).

71478532 is a wasteful number, since it uses less digits than its factorization.

71478532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3649 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 71478532 is about 8454.4977378908. The cubic root of 71478532 is about 415.0099808893.

It can be divided in two parts, 71478 and 532, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 71478532 in words is "seventy-one million, four hundred seventy-eight thousand, five hundred thirty-two".