730772064 has 192 divisors, whose sum is σ = 2462503680. Its totient is φ = 208373760.

The previous prime is 730772039. The next prime is 730772099. The reversal of 730772064 is 460277037.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159307 + ... + 163829.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2^730772064 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 730772064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231251840).

730772064 is an abundant number, since it is smaller than the sum of its proper divisors (1731731616).

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

730772064 is a wasteful number, since it uses less digits than its factorization.

730772064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 730772064 is about 27032.7960817966. The cubic root of 730772064 is about 900.7286543551.

The spelling of 730772064 in words is "seven hundred thirty million, seven hundred seventy-two thousand, sixty-four".