30197760 has 96 divisors (see below), whose sum is σ = 96707520. Its totient is φ = 8044544.

The previous prime is 30197753. The next prime is 30197777. The reversal of 30197760 is 6779103.

It is a tau number, because it is divible by the number of its divisors (96).

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, 30229 + ... + 31211.

It is an arithmetic number, because the mean of its divisors is an integer number (1007370).

Almost surely, 2^30197760 is an apocalyptic number.

30197760 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 30197760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48353760).

30197760 is an abundant number, since it is smaller than the sum of its proper divisors (66509760).

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

30197760 is an equidigital number, since it uses as much as digits as its factorization.

30197760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 30197760 is about 5495.2488569673. The cubic root of 30197760 is about 311.4045183647.

The spelling of 30197760 in words is "thirty million, one hundred ninety-seven thousand, seven hundred sixty".