71730453 has 8 divisors (see below), whose sum is σ = 100674400. Its totient is φ = 45303408.

The previous prime is 71730437. The next prime is 71730469. The reversal of 71730453 is 35403717.

It is an interprime number because it is at equal distance from previous prime (71730437) and next prime (71730469).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71730453 - 2⁴ = 71730437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71730453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71730473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629158 + ... + 629271.

It is an arithmetic number, because the mean of its divisors is an integer number (12584300).

Almost surely, 2^71730453 is an apocalyptic number.

It is an amenable number.

71730453 is a deficient number, since it is larger than the sum of its proper divisors (28943947).

71730453 is a wasteful number, since it uses less digits than its factorization.

71730453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258451.

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

The square root of 71730453 is about 8469.3832715257. The cubic root of 71730453 is about 415.4969669366.

The spelling of 71730453 in words is "seventy-one million, seven hundred thirty thousand, four hundred fifty-three".