30769860 has 96 divisors (see below), whose sum is σ = 98122752. Its totient is φ = 7131520.

The previous prime is 30769853. The next prime is 30769861. The reversal of 30769860 is 6896703.

It is not an unprimeable number, because it can be changed into a prime (30769861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14167 + ... + 16193.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^30769860 is an apocalyptic number.

30769860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30769860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49061376).

30769860 is an abundant number, since it is smaller than the sum of its proper divisors (67352892).

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

30769860 is a wasteful number, since it uses less digits than its factorization.

30769860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 30769860 is about 5547.0586800574. The cubic root of 30769860 is about 313.3587600713.

The spelling of 30769860 in words is "thirty million, seven hundred sixty-nine thousand, eight hundred sixty".