730649700 has 288 divisors, whose sum is σ = 2605249920. Its totient is φ = 174182400.

The previous prime is 730649677. The next prime is 730649701. The reversal of 730649700 is 7946037.

730649700 is a `hidden beast` number, since 7 + 3 + 0 + 649 + 7 + 0 + 0 = 666.

It is a super-2 number, since 2×730649700² = 1067697968220180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (730649701) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2167932 + ... + 2168268.

Almost surely, 2^730649700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730649700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302624960).

730649700 is an abundant number, since it is smaller than the sum of its proper divisors (1874600220).

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

730649700 is a wasteful number, since it uses less digits than its factorization.

730649700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 730649700 is about 27030.5327361486. The cubic root of 730649700 is about 900.6783774316.

The spelling of 730649700 in words is "seven hundred thirty million, six hundred forty-nine thousand, seven hundred".