71529148 has 24 divisors (see below), whose sum is σ = 132224400. Its totient is φ = 33763968.

The previous prime is 71529083. The next prime is 71529169. The reversal of 71529148 is 84192517.

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, 22608 + ... + 25576.

It is an arithmetic number, because the mean of its divisors is an integer number (5509350).

Almost surely, 2^71529148 is an apocalyptic number.

It is an amenable number.

71529148 is a deficient number, since it is larger than the sum of its proper divisors (60695252).

71529148 is a wasteful number, since it uses less digits than its factorization.

71529148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3307 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 71529148 is about 8457.4906443933. The cubic root of 71529148 is about 415.1079179351.

The spelling of 71529148 in words is "seventy-one million, five hundred twenty-nine thousand, one hundred forty-eight".