71477113 has 4 divisors (see below), whose sum is σ = 71495568. Its totient is φ = 71458660.

The previous prime is 71477101. The next prime is 71477149. The reversal of 71477113 is 31177417.

It is the 3452-nd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31177417 = 197 ⋅158261.

It is a cyclic number.

It is not a de Polignac number, because 71477113 - 2²⁵ = 37922681 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71477173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (17873892).

Almost surely, 2^71477113 is an apocalyptic number.

It is an amenable number.

71477113 is a deficient number, since it is larger than the sum of its proper divisors (18455).

71477113 is a wasteful number, since it uses less digits than its factorization.

71477113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454.

The product of its digits is 4116, while the sum is 31.

The square root of 71477113 is about 8454.4138176458. The cubic root of 71477113 is about 415.0072345959.

The spelling of 71477113 in words is "seventy-one million, four hundred seventy-seven thousand, one hundred thirteen".