71734542 has 32 divisors (see below), whose sum is σ = 157006080. Its totient is φ = 21669120.

The previous prime is 71734517. The next prime is 71734571. The reversal of 71734542 is 24543717.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 21759 + ... + 24837.

It is an arithmetic number, because the mean of its divisors is an integer number (4906440).

Almost surely, 2^71734542 is an apocalyptic number.

71734542 is an abundant number, since it is smaller than the sum of its proper divisors (85271538).

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

71734542 is a wasteful number, since it uses less digits than its factorization.

71734542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448.

The product of its digits is 23520, while the sum is 33.

The square root of 71734542 is about 8469.6246670086. The cubic root of 71734542 is about 415.5048619321.

The spelling of 71734542 in words is "seventy-one million, seven hundred thirty-four thousand, five hundred forty-two".