730156747 has 2 divisors, whose sum is σ = 730156748. Its totient is φ = 730156746.

The previous prime is 730156729. The next prime is 730156759. The reversal of 730156747 is 747651037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730156747 - 2¹⁹ = 729632459 is a prime.

It is not a weakly prime, because it can be changed into another prime (730156247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365078373 + 365078374.

It is an arithmetic number, because the mean of its divisors is an integer number (365078374).

Almost surely, 2^730156747 is an apocalyptic number.

730156747 is a deficient number, since it is larger than the sum of its proper divisors (1).

730156747 is an equidigital number, since it uses as much as digits as its factorization.

730156747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 730156747 is about 27021.4127498915. The cubic root of 730156747 is about 900.4757760135.

The spelling of 730156747 in words is "seven hundred thirty million, one hundred fifty-six thousand, seven hundred forty-seven".