730657633 has 2 divisors, whose sum is σ = 730657634. Its totient is φ = 730657632.

The previous prime is 730657619. The next prime is 730657643. The reversal of 730657633 is 336756037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406909584 + 323748049 = 20172^2 + 17993^2 .

It is a cyclic number.

It is not a de Polignac number, because 730657633 - 2⁵ = 730657601 is a prime.

It is a super-2 number, since 2×730657633² = 1067721153322325378, which contains 22 as substring.

It is equal to p_37756246 and since 730657633 and 37756246 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (730657643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365328816 + 365328817.

It is an arithmetic number, because the mean of its divisors is an integer number (365328817).

Almost surely, 2^730657633 is an apocalyptic number.

It is an amenable number.

730657633 is a deficient number, since it is larger than the sum of its proper divisors (1).

730657633 is an equidigital number, since it uses as much as digits as its factorization.

730657633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 40.

The square root of 730657633 is about 27030.6794772163. The cubic root of 730657633 is about 900.6816371130.

The spelling of 730657633 in words is "seven hundred thirty million, six hundred fifty-seven thousand, six hundred thirty-three".