71955453 has 4 divisors (see below), whose sum is σ = 95940608. Its totient is φ = 47970300.

The previous prime is 71955427. The next prime is 71955479. The reversal of 71955453 is 35455917.

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 an interprime number because it is at equal distance from previous prime (71955427) and next prime (71955479).

It is not a de Polignac number, because 71955453 - 2⁵ = 71955421 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 (71955493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11992573 + ... + 11992578.

It is an arithmetic number, because the mean of its divisors is an integer number (23985152).

Almost surely, 2^71955453 is an apocalyptic number.

It is an amenable number.

71955453 is a deficient number, since it is larger than the sum of its proper divisors (23985155).

71955453 is a wasteful number, since it uses less digits than its factorization.

71955453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23985154.

The product of its digits is 94500, while the sum is 39.

The square root of 71955453 is about 8482.6560109437. The cubic root of 71955453 is about 415.9309492300.

The spelling of 71955453 in words is "seventy-one million, nine hundred fifty-five thousand, four hundred fifty-three".