730073473 has 4 divisors (see below), whose sum is σ = 740970160. Its totient is φ = 719176788.

The previous prime is 730073471. The next prime is 730073501. The reversal of 730073473 is 374370037.

It is a happy number.

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 730073473 - 2¹ = 730073471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730073471) 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, 5448243 + ... + 5448376.

It is an arithmetic number, because the mean of its divisors is an integer number (185242540).

Almost surely, 2^730073473 is an apocalyptic number.

It is an amenable number.

730073473 is a deficient number, since it is larger than the sum of its proper divisors (10896687).

730073473 is a wasteful number, since it uses less digits than its factorization.

730073473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896686.

The product of its (nonzero) digits is 37044, while the sum is 34.

The square root of 730073473 is about 27019.8718168684. The cubic root of 730073473 is about 900.4415417795.

The spelling of 730073473 in words is "seven hundred thirty million, seventy-three thousand, four hundred seventy-three".