730906836 has 96 divisors (see below), whose sum is σ = 1972010880. Its totient is φ = 208588800.

The previous prime is 730906727. The next prime is 730906853. The reversal of 730906836 is 638609037.

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, 154620 + ... + 159276.

It is an arithmetic number, because the mean of its divisors is an integer number (20541780).

Almost surely, 2^730906836 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 730906836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986005440).

730906836 is an abundant number, since it is smaller than the sum of its proper divisors (1241104044).

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

730906836 is a wasteful number, since it uses less digits than its factorization.

730906836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 730906836 is about 27035.2887167864. The cubic root of 730906836 is about 900.7840229834.

The spelling of 730906836 in words is "seven hundred thirty million, nine hundred six thousand, eight hundred thirty-six".