71361203 has 4 divisors (see below), whose sum is σ = 74463888. Its totient is φ = 68258520.

The previous prime is 71361187. The next prime is 71361211. The reversal of 71361203 is 30216317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30216317 = 769 ⋅39293.

It is a cyclic number.

It is not a de Polignac number, because 71361203 - 2⁴ = 71361187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 3102661 = 71361203 / (7 + 1 + 3 + 6 + 1 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71361263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551308 + ... + 1551353.

It is an arithmetic number, because the mean of its divisors is an integer number (18615972).

Almost surely, 2^71361203 is an apocalyptic number.

71361203 is a deficient number, since it is larger than the sum of its proper divisors (3102685).

71361203 is a wasteful number, since it uses less digits than its factorization.

71361203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102684.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 71361203 is about 8447.5560371033. The cubic root of 71361203 is about 414.7827827299.

It can be divided in two parts, 713 and 61203, that added together give a palindrome (61916).

The spelling of 71361203 in words is "seventy-one million, three hundred sixty-one thousand, two hundred three".