71453073 has 4 divisors (see below), whose sum is σ = 95270768. Its totient is φ = 47635380.

The previous prime is 71453059. The next prime is 71453087. The reversal of 71453073 is 37035417.

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 (71453059) and next prime (71453087).

It is not a de Polignac number, because 71453073 - 2⁸ = 71452817 is a prime.

It is a super-2 number, since 2×71453073² = 10211083282286658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71453073.

It is not an unprimeable number, because it can be changed into a prime (71453003) 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, 11908843 + ... + 11908848.

It is an arithmetic number, because the mean of its divisors is an integer number (23817692).

Almost surely, 2^71453073 is an apocalyptic number.

It is an amenable number.

71453073 is a deficient number, since it is larger than the sum of its proper divisors (23817695).

71453073 is a wasteful number, since it uses less digits than its factorization.

71453073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817694.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 71453073 is about 8452.9919555149. The cubic root of 71453073 is about 414.9607027192.

The spelling of 71453073 in words is "seventy-one million, four hundred fifty-three thousand, seventy-three".