730648953 has 24 divisors (see below), whose sum is σ = 1085659848. Its totient is φ = 473167872.

The previous prime is 730648949. The next prime is 730648957. The reversal of 730648953 is 359846037.

It is an interprime number because it is at equal distance from previous prime (730648949) and next prime (730648957).

It can be written as a sum of positive squares in 4 ways, for example, as 427993344 + 302655609 = 20688^2 + 17397^2 .

It is not a de Polignac number, because 730648953 - 2² = 730648949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 730648899 and 730648908.

It is not an unprimeable number, because it can be changed into a prime (730648957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264025 + ... + 266777.

It is an arithmetic number, because the mean of its divisors is an integer number (45235827).

Almost surely, 2^730648953 is an apocalyptic number.

It is an amenable number.

730648953 is a deficient number, since it is larger than the sum of its proper divisors (355010895).

730648953 is a wasteful number, since it uses less digits than its factorization.

730648953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 730648953 is about 27030.5189184374. The cubic root of 730648953 is about 900.6780704870.

The spelling of 730648953 in words is "seven hundred thirty million, six hundred forty-eight thousand, nine hundred fifty-three".