71264541 has 4 divisors (see below), whose sum is σ = 95019392. Its totient is φ = 47509692.

The previous prime is 71264477. The next prime is 71264579. The reversal of 71264541 is 14546217.

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.

It is not a de Polignac number, because 71264541 - 2⁶ = 71264477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71264499 and 71264508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71284541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11877421 + ... + 11877426.

It is an arithmetic number, because the mean of its divisors is an integer number (23754848).

Almost surely, 2^71264541 is an apocalyptic number.

It is an amenable number.

71264541 is a deficient number, since it is larger than the sum of its proper divisors (23754851).

71264541 is a wasteful number, since it uses less digits than its factorization.

71264541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23754850.

The product of its digits is 6720, while the sum is 30.

The square root of 71264541 is about 8441.8327986285. The cubic root of 71264541 is about 414.5954173819.

The spelling of 71264541 in words is "seventy-one million, two hundred sixty-four thousand, five hundred forty-one".