730372665 has 32 divisors (see below), whose sum is σ = 1292317056. Its totient is φ = 349263360.

The previous prime is 730372661. The next prime is 730372733. The reversal of 730372665 is 566273037.

It is not a de Polignac number, because 730372665 - 2² = 730372661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730372661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18274 + ... + 42363.

It is an arithmetic number, because the mean of its divisors is an integer number (40384908).

Almost surely, 2^730372665 is an apocalyptic number.

It is an amenable number.

730372665 is a deficient number, since it is larger than the sum of its proper divisors (561944391).

730372665 is a wasteful number, since it uses less digits than its factorization.

730372665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60729.

The product of its (nonzero) digits is 158760, while the sum is 39.

The square root of 730372665 is about 27025.4077675065. The cubic root of 730372665 is about 900.5645285393.

The spelling of 730372665 in words is "seven hundred thirty million, three hundred seventy-two thousand, six hundred sixty-five".