71413539 has 8 divisors (see below), whose sum is σ = 97244160. Its totient is φ = 46595976.

The previous prime is 71413523. The next prime is 71413543. The reversal of 71413539 is 93531417.

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

It is not a de Polignac number, because 71413539 - 2⁴ = 71413523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71413939) 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, 253099 + ... + 253380.

It is an arithmetic number, because the mean of its divisors is an integer number (12155520).

Almost surely, 2^71413539 is an apocalyptic number.

71413539 is a deficient number, since it is larger than the sum of its proper divisors (25830621).

71413539 is a wasteful number, since it uses less digits than its factorization.

71413539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506529.

The product of its digits is 11340, while the sum is 33.

The square root of 71413539 is about 8450.6531700218. The cubic root of 71413539 is about 414.8841579221.

The spelling of 71413539 in words is "seventy-one million, four hundred thirteen thousand, five hundred thirty-nine".