730786980 has 288 divisors, whose sum is σ = 2647572480. Its totient is φ = 148888320.

The previous prime is 730786967. The next prime is 730787003. The reversal of 730786980 is 89687037.

It is a super-2 number, since 2×730786980² = 1068099220275040800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1907869 + ... + 1908251.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 2^730786980 is an apocalyptic number.

730786980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730786980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323786240).

730786980 is an abundant number, since it is smaller than the sum of its proper divisors (1916785500).

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

730786980 is a wasteful number, since it uses less digits than its factorization.

730786980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 730786980 is about 27033.0719674994. The cubic root of 730786980 is about 900.7347826577.

The spelling of 730786980 in words is "seven hundred thirty million, seven hundred eighty-six thousand, nine hundred eighty".