71077013 has 8 divisors (see below), whose sum is σ = 81596928. Its totient is φ = 60648624.

The previous prime is 71077003. The next prime is 71077049. The reversal of 71077013 is 31077017.

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 71077013 - 2¹⁰ = 71075989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71077003) 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, 21206 + ... + 24327.

It is an arithmetic number, because the mean of its divisors is an integer number (10199616).

Almost surely, 2^71077013 is an apocalyptic number.

It is an amenable number.

71077013 is a deficient number, since it is larger than the sum of its proper divisors (10519915).

71077013 is a wasteful number, since it uses less digits than its factorization.

71077013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45763.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 71077013 is about 8430.7184154140. The cubic root of 71077013 is about 414.2314376490.

The spelling of 71077013 in words is "seventy-one million, seventy-seven thousand, thirteen".