730651566 has 32 divisors (see below), whose sum is σ = 1511331840. Its totient is φ = 235344096.

The previous prime is 730651547. The next prime is 730651567. The reversal of 730651566 is 665156037.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730651567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880 + ... + 38676.

It is an arithmetic number, because the mean of its divisors is an integer number (47229120).

Almost surely, 2^730651566 is an apocalyptic number.

730651566 is an abundant number, since it is smaller than the sum of its proper divisors (780680274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730651566 is a wasteful number, since it uses less digits than its factorization.

730651566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32928.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 730651566 is about 27030.5672526494. The cubic root of 730651566 is about 900.6791441759.

The spelling of 730651566 in words is "seven hundred thirty million, six hundred fifty-one thousand, five hundred sixty-six".