730405697 has 32 divisors (see below), whose sum is σ = 909216000. Its totient is φ = 572479488.

The previous prime is 730405691. The next prime is 730405703. The reversal of 730405697 is 796504037.

It is an interprime number because it is at equal distance from previous prime (730405691) and next prime (730405703).

It is not a de Polignac number, because 730405697 - 2⁶ = 730405633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730405691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1785629 + ... + 1786037.

It is an arithmetic number, because the mean of its divisors is an integer number (28413000).

Almost surely, 2^730405697 is an apocalyptic number.

It is an amenable number.

730405697 is a deficient number, since it is larger than the sum of its proper divisors (178810303).

730405697 is a wasteful number, since it uses less digits than its factorization.

730405697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 730405697 is about 27026.0188892112. The cubic root of 730405697 is about 900.5781047132.

The spelling of 730405697 in words is "seven hundred thirty million, four hundred five thousand, six hundred ninety-seven".