630072739 has 2 divisors, whose sum is σ = 630072740. Its totient is φ = 630072738.

The previous prime is 630072731. The next prime is 630072743. The reversal of 630072739 is 937270036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630072739 - 2³ = 630072731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630072698 and 630072707.

It is not a weakly prime, because it can be changed into another prime (630072731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315036369 + 315036370.

It is an arithmetic number, because the mean of its divisors is an integer number (315036370).

Almost surely, 2^630072739 is an apocalyptic number.

630072739 is a deficient number, since it is larger than the sum of its proper divisors (1).

630072739 is an equidigital number, since it uses as much as digits as its factorization.

630072739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 630072739 is about 25101.2497497635. The cubic root of 630072739 is about 857.2948797513.

The spelling of 630072739 in words is "six hundred thirty million, seventy-two thousand, seven hundred thirty-nine".