730446336 has 280 divisors, whose sum is σ = 2325729120. Its totient is φ = 228427776.

The previous prime is 730446329. The next prime is 730446337. The reversal of 730446336 is 633644037.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 730446336.

It is not an unprimeable number, because it can be changed into a prime (730446337) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7091661 + ... + 7091763.

Almost surely, 2^730446336 is an apocalyptic number.

730446336 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730446336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162864560).

730446336 is an abundant number, since it is smaller than the sum of its proper divisors (1595282784).

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

730446336 is an equidigital number, since it uses as much as digits as its factorization.

730446336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The square root of 730446336 is about 27026.7707282983. The cubic root of 730446336 is about 900.5948068077.

The spelling of 730446336 in words is "seven hundred thirty million, four hundred forty-six thousand, three hundred thirty-six".