730780632 has 96 divisors (see below), whose sum is σ = 2110212000. Its totient is φ = 227668992.

The previous prime is 730780627. The next prime is 730780643. The reversal of 730780632 is 236087037.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180373 + ... + 184379.

It is an arithmetic number, because the mean of its divisors is an integer number (21981375).

Almost surely, 2^730780632 is an apocalyptic number.

730780632 is a gapful number since it is divisible by the number (72) 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 730780632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055106000).

730780632 is an abundant number, since it is smaller than the sum of its proper divisors (1379431368).

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

730780632 is a wasteful number, since it uses less digits than its factorization.

730780632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 730780632 is about 27032.9545555050. The cubic root of 730780632 is about 900.7321745649.

The spelling of 730780632 in words is "seven hundred thirty million, seven hundred eighty thousand, six hundred thirty-two".