71542000 has 40 divisors (see below), whose sum is σ = 172993392. Its totient is φ = 28616000.

The previous prime is 71541989. The next prime is 71542063. The reversal of 71542000 is 24517.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15886 + ... + 19885.

Almost surely, 2^71542000 is an apocalyptic number.

It is an amenable number.

71542000 is an abundant number, since it is smaller than the sum of its proper divisors (101451392).

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

71542000 is a wasteful number, since it uses less digits than its factorization.

71542000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35794 (or 35778 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 71542000 is about 8458.2504101026. The cubic root of 71542000 is about 415.1327779520.

Adding to 71542000 its reverse (24517), we get a palindrome (71566517).

The spelling of 71542000 in words is "seventy-one million, five hundred forty-two thousand".