71120365 has 4 divisors (see below), whose sum is σ = 85344444. Its totient is φ = 56896288.

The previous prime is 71120341. The next prime is 71120377. The reversal of 71120365 is 56302117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56302117 = 557 ⋅101081.

It can be written as a sum of positive squares in 2 ways, for example, as 14600041 + 56520324 = 3821^2 + 7518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71120365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7112032 + ... + 7112041.

It is an arithmetic number, because the mean of its divisors is an integer number (21336111).

Almost surely, 2^71120365 is an apocalyptic number.

It is an amenable number.

71120365 is a deficient number, since it is larger than the sum of its proper divisors (14224079).

71120365 is a wasteful number, since it uses less digits than its factorization.

71120365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14224078.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 71120365 is about 8433.2890973807. The cubic root of 71120365 is about 414.3156379212.

The spelling of 71120365 in words is "seventy-one million, one hundred twenty thousand, three hundred sixty-five".