71548349 has 4 divisors (see below), whose sum is σ = 71778720. Its totient is φ = 71317980.

The previous prime is 71548339. The next prime is 71548391. The reversal of 71548349 is 94384517.

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 a cyclic number.

It is not a de Polignac number, because 71548349 - 2²⁰ = 70499773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71548339) 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, 114719 + ... + 115340.

It is an arithmetic number, because the mean of its divisors is an integer number (17944680).

Almost surely, 2^71548349 is an apocalyptic number.

It is an amenable number.

71548349 is a deficient number, since it is larger than the sum of its proper divisors (230371).

71548349 is a wasteful number, since it uses less digits than its factorization.

71548349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230370.

The product of its digits is 120960, while the sum is 41.

The square root of 71548349 is about 8458.6257158004. The cubic root of 71548349 is about 415.1450579182.

The spelling of 71548349 in words is "seventy-one million, five hundred forty-eight thousand, three hundred forty-nine".