71548242 has 32 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 23329920.

The previous prime is 71548231. The next prime is 71548247. The reversal of 71548242 is 24284517.

It is not an unprimeable number, because it can be changed into a prime (71548247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84859 + ... + 85697.

It is an arithmetic number, because the mean of its divisors is an integer number (4570020).

Almost surely, 2^71548242 is an apocalyptic number.

71548242 is an abundant number, since it is smaller than the sum of its proper divisors (74692398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71548242 is a wasteful number, since it uses less digits than its factorization.

71548242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 17920, while the sum is 33.

The square root of 71548242 is about 8458.6193908935. The cubic root of 71548242 is about 415.1448509694.

The spelling of 71548242 in words is "seventy-one million, five hundred forty-eight thousand, two hundred forty-two".