730629947 has 2 divisors, whose sum is σ = 730629948. Its totient is φ = 730629946.

The previous prime is 730629901. The next prime is 730629989. The reversal of 730629947 is 749926037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730629947 - 2¹⁰ = 730628923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730628947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365314973 + 365314974.

It is an arithmetic number, because the mean of its divisors is an integer number (365314974).

Almost surely, 2^730629947 is an apocalyptic number.

730629947 is a deficient number, since it is larger than the sum of its proper divisors (1).

730629947 is an equidigital number, since it uses as much as digits as its factorization.

730629947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 730629947 is about 27030.1673505733. The cubic root of 730629947 is about 900.6702607922.

The spelling of 730629947 in words is "seven hundred thirty million, six hundred twenty-nine thousand, nine hundred forty-seven".