730018724 has 12 divisors (see below), whose sum is σ = 1277721984. Its totient is φ = 364955304.

The previous prime is 730018717. The next prime is 730018739. The reversal of 730018724 is 427810037.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45557 + ... + 59459.

It is an arithmetic number, because the mean of its divisors is an integer number (106476832).

Almost surely, 2^730018724 is an apocalyptic number.

It is an amenable number.

730018724 is a deficient number, since it is larger than the sum of its proper divisors (547703260).

730018724 is a wasteful number, since it uses less digits than its factorization.

730018724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27034 (or 27032 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 730018724 is about 27018.8586731564. The cubic root of 730018724 is about 900.4190328549.

The spelling of 730018724 in words is "seven hundred thirty million, eighteen thousand, seven hundred twenty-four".