71054493 has 4 divisors (see below), whose sum is σ = 94739328. Its totient is φ = 47369660.

The previous prime is 71054491. The next prime is 71054497. The reversal of 71054493 is 39445017.

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 71054493 - 2¹ = 71054491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71054491) 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, 11842413 + ... + 11842418.

It is an arithmetic number, because the mean of its divisors is an integer number (23684832).

Almost surely, 2^71054493 is an apocalyptic number.

It is an amenable number.

71054493 is a deficient number, since it is larger than the sum of its proper divisors (23684835).

71054493 is a wasteful number, since it uses less digits than its factorization.

71054493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23684834.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 71054493 is about 8429.3827176134. The cubic root of 71054493 is about 414.1876847442.

The spelling of 71054493 in words is "seventy-one million, fifty-four thousand, four hundred ninety-three".