30793728760 has 32 divisors (see below), whose sum is σ = 69507278640. Its totient is φ = 12278133504.

The previous prime is 30793728751. The next prime is 30793728809. The reversal of 30793728760 is 6782739703.

It is a super-2 number, since 2×30793728760² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30793728698 and 30793728707.

It is a congruent number.

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, 1217262 + ... + 1242301.

Almost surely, 2^30793728760 is an apocalyptic number.

It is an amenable number.

30793728760 is an abundant number, since it is smaller than the sum of its proper divisors (38713549880).

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

30793728760 is a wasteful number, since it uses less digits than its factorization.

30793728760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459887 (or 2459883 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 30793728760 in words is "thirty billion, seven hundred ninety-three million, seven hundred twenty-eight thousand, seven hundred sixty".