71552542 has 8 divisors (see below), whose sum is σ = 107364816. Its totient is φ = 35764272.

The previous prime is 71552539. The next prime is 71552543. The reversal of 71552542 is 24525517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71552543) 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 3 ways as a sum of consecutive naturals, for example, 7818 + ... + 14290.

It is an arithmetic number, because the mean of its divisors is an integer number (13420602).

Almost surely, 2^71552542 is an apocalyptic number.

71552542 is a deficient number, since it is larger than the sum of its proper divisors (35812274).

71552542 is a wasteful number, since it uses less digits than its factorization.

71552542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002.

The product of its digits is 14000, while the sum is 31.

The square root of 71552542 is about 8458.8735656705. The cubic root of 71552542 is about 415.1531674425.

The spelling of 71552542 in words is "seventy-one million, five hundred fifty-two thousand, five hundred forty-two".