730773456 has 120 divisors (see below), whose sum is σ = 2211153120. Its totient is φ = 207357696.

The previous prime is 730773431. The next prime is 730773493. The reversal of 730773456 is 654377037.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 368275 + ... + 370253.

It is an arithmetic number, because the mean of its divisors is an integer number (18426276).

Almost surely, 2^730773456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730773456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105576560).

730773456 is an abundant number, since it is smaller than the sum of its proper divisors (1480379664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730773456 is a wasteful number, since it uses less digits than its factorization.

730773456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 42.

The square root of 730773456 is about 27032.8218282887. The cubic root of 730773456 is about 900.7292262678.

The spelling of 730773456 in words is "seven hundred thirty million, seven hundred seventy-three thousand, four hundred fifty-six".