71332045 has 8 divisors (see below), whose sum is σ = 85662720. Its totient is φ = 57022800.

The previous prime is 71332043. The next prime is 71332049. The reversal of 71332045 is 54023317.

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

It is not a de Polignac number, because 71332045 - 2¹ = 71332043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71332043) 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, 3220 + ... + 12370.

It is an arithmetic number, because the mean of its divisors is an integer number (10707840).

Almost surely, 2^71332045 is an apocalyptic number.

It is an amenable number.

71332045 is a deficient number, since it is larger than the sum of its proper divisors (14330675).

71332045 is a wasteful number, since it uses less digits than its factorization.

71332045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 71332045 is about 8445.8300361776. The cubic root of 71332045 is about 414.7262819822.

The spelling of 71332045 in words is "seventy-one million, three hundred thirty-two thousand, forty-five".