71162045 has 8 divisors (see below), whose sum is σ = 85440096. Its totient is φ = 56899216.

The previous prime is 71162041. The next prime is 71162099. The reversal of 71162045 is 54026117.

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

It is a cyclic number.

It is not a de Polignac number, because 71162045 - 2² = 71162041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71162041) 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, 14474 + ... + 18756.

It is an arithmetic number, because the mean of its divisors is an integer number (10680012).

Almost surely, 2^71162045 is an apocalyptic number.

It is an amenable number.

71162045 is a deficient number, since it is larger than the sum of its proper divisors (14278051).

71162045 is a wasteful number, since it uses less digits than its factorization.

71162045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 71162045 is about 8435.7598946390. The cubic root of 71162045 is about 414.3965585008.

The spelling of 71162045 in words is "seventy-one million, one hundred sixty-two thousand, forty-five".