71740734 has 32 divisors (see below), whose sum is σ = 158294304. Its totient is φ = 21534720.

The previous prime is 71740733. The next prime is 71740759. The reversal of 71740734 is 43704717.

It is a junction number, because it is equal to n+sod(n) for n = 71740695 and 71740704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71740733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8019 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (4946697).

Almost surely, 2^71740734 is an apocalyptic number.

71740734 is an abundant number, since it is smaller than the sum of its proper divisors (86553570).

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

71740734 is a wasteful number, since it uses less digits than its factorization.

71740734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22492.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 71740734 is about 8469.9902007027. The cubic root of 71740734 is about 415.5168168054.

The spelling of 71740734 in words is "seventy-one million, seven hundred forty thousand, seven hundred thirty-four".