730859136 has 64 divisors (see below), whose sum is σ = 2218687680. Its totient is φ = 208816128.

The previous prime is 730859123. The next prime is 730859147. The reversal of 730859136 is 631958037.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133261 + ... + 138636.

It is an arithmetic number, because the mean of its divisors is an integer number (34666995).

Almost surely, 2^730859136 is an apocalyptic number.

It is an amenable number.

730859136 is an abundant number, since it is smaller than the sum of its proper divisors (1487828544).

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

730859136 is a wasteful number, since it uses less digits than its factorization.

730859136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271921 (or 271909 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 730859136 is about 27034.4065220600. The cubic root of 730859136 is about 900.7644270830.

The spelling of 730859136 in words is "seven hundred thirty million, eight hundred fifty-nine thousand, one hundred thirty-six".