731350730 has 32 divisors (see below), whose sum is σ = 1447098048. Its totient is φ = 263910400.

The previous prime is 731350723. The next prime is 731350747. The reversal of 731350730 is 37053137.

It is a junction number, because it is equal to n+sod(n) for n = 731350693 and 731350702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10967 + ... + 39786.

It is an arithmetic number, because the mean of its divisors is an integer number (45221814).

Almost surely, 2^731350730 is an apocalyptic number.

731350730 is a deficient number, since it is larger than the sum of its proper divisors (715747318).

731350730 is a wasteful number, since it uses less digits than its factorization.

731350730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50902.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 731350730 is about 27043.4970002032. The cubic root of 731350730 is about 900.9663406581.

The spelling of 731350730 in words is "seven hundred thirty-one million, three hundred fifty thousand, seven hundred thirty".