730537940 has 96 divisors (see below), whose sum is σ = 1829495808. Its totient is φ = 241920000.

The previous prime is 730537939. The next prime is 730537961. The reversal of 730537940 is 49735037.

It is a junction number, because it is equal to n+sod(n) for n = 730537894 and 730537903.

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 31 ways as a sum of consecutive naturals, for example, 112790 + ... + 119090.

It is an arithmetic number, because the mean of its divisors is an integer number (19057248).

Almost surely, 2^730537940 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 730537940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914747904).

730537940 is an abundant number, since it is smaller than the sum of its proper divisors (1098957868).

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

730537940 is a wasteful number, since it uses less digits than its factorization.

730537940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 730537940 is about 27028.4653652404. The cubic root of 730537940 is about 900.6324525749.

The spelling of 730537940 in words is "seven hundred thirty million, five hundred thirty-seven thousand, nine hundred forty".