730861650 has 96 divisors (see below), whose sum is σ = 2022102720. Its totient is φ = 194106240.

The previous prime is 730861633. The next prime is 730861667. The reversal of 730861650 is 56168037.

730861650 is a `hidden beast` number, since 7 + 30 + 8 + 616 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (730861633) and next prime (730861667).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381094 + ... + 383006.

It is an arithmetic number, because the mean of its divisors is an integer number (21063570).

Almost surely, 2^730861650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730861650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011051360).

730861650 is an abundant number, since it is smaller than the sum of its proper divisors (1291241070).

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

730861650 is a wasteful number, since it uses less digits than its factorization.

730861650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 730861650 is about 27034.4530183246. The cubic root of 730861650 is about 900.7654598945.

The spelling of 730861650 in words is "seven hundred thirty million, eight hundred sixty-one thousand, six hundred fifty".