730007663 has 8 divisors (see below), whose sum is σ = 910139520. Its totient is φ = 568837080.

The previous prime is 730007653. The next prime is 730007701. The reversal of 730007663 is 366700037.

It is a happy number.

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

It is not a de Polignac number, because 730007663 - 2¹⁴ = 729991279 is a prime.

It is a super-2 number, since 2×730007663² = 1065822376077443138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730007653) 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, 4740233 + ... + 4740386.

It is an arithmetic number, because the mean of its divisors is an integer number (113767440).

Almost surely, 2^730007663 is an apocalyptic number.

730007663 is a deficient number, since it is larger than the sum of its proper divisors (180131857).

730007663 is a wasteful number, since it uses less digits than its factorization.

730007663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480637.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 730007663 is about 27018.6539820177. The cubic root of 730007663 is about 900.4144852157.

The spelling of 730007663 in words is "seven hundred thirty million, seven thousand, six hundred sixty-three".