71140735 has 8 divisors (see below), whose sum is σ = 85415616. Its totient is φ = 56881440.

The previous prime is 71140697. The next prime is 71140739. The reversal of 71140735 is 53704117.

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

It is not a de Polignac number, because 71140735 - 2¹³ = 71132543 is a prime.

It is a super-2 number, since 2×71140735² = 10122008352680450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71140739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12205 + ... + 17065.

It is an arithmetic number, because the mean of its divisors is an integer number (10676952).

Almost surely, 2^71140735 is an apocalyptic number.

71140735 is a deficient number, since it is larger than the sum of its proper divisors (14274881).

71140735 is a wasteful number, since it uses less digits than its factorization.

71140735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 71140735 is about 8434.4967247608. The cubic root of 71140735 is about 414.3551896677.

The spelling of 71140735 in words is "seventy-one million, one hundred forty thousand, seven hundred thirty-five".