71735994 has 24 divisors (see below), whose sum is σ = 169558272. Its totient is φ = 21738120.

The previous prime is 71735981. The next prime is 71735999. The reversal of 71735994 is 49953717.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71735999) 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 11 ways as a sum of consecutive naturals, for example, 180954 + ... + 181349.

It is an arithmetic number, because the mean of its divisors is an integer number (7064928).

Almost surely, 2^71735994 is an apocalyptic number.

71735994 is an abundant number, since it is smaller than the sum of its proper divisors (97822278).

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

71735994 is a wasteful number, since it uses less digits than its factorization.

71735994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362322 (or 362319 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 71735994 is about 8469.7103846590. The cubic root of 71735994 is about 415.5076653653.

The spelling of 71735994 in words is "seventy-one million, seven hundred thirty-five thousand, nine hundred ninety-four".