730210072 has 16 divisors (see below), whose sum is σ = 1428672240. Its totient is φ = 349230816.

The previous prime is 730210069. The next prime is 730210081. The reversal of 730210072 is 270012037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984083 + ... + 1984450.

It is an arithmetic number, because the mean of its divisors is an integer number (89292015).

Almost surely, 2^730210072 is an apocalyptic number.

It is an amenable number.

730210072 is a deficient number, since it is larger than the sum of its proper divisors (698462168).

730210072 is a wasteful number, since it uses less digits than its factorization.

730210072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968562 (or 3968558 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 730210072 is about 27022.3994493457. The cubic root of 730210072 is about 900.4976967412.

The spelling of 730210072 in words is "seven hundred thirty million, two hundred ten thousand, seventy-two".