30290700 has 144 divisors (see below), whose sum is σ = 97743744. Its totient is φ = 7180800.

The previous prime is 30290683. The next prime is 30290707. The reversal of 30290700 is 709203.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (30290707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221032 + ... + 221168.

It is an arithmetic number, because the mean of its divisors is an integer number (678776).

Almost surely, 2^30290700 is an apocalyptic number.

30290700 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 30290700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48871872).

30290700 is an abundant number, since it is smaller than the sum of its proper divisors (67453044).

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

30290700 is a wasteful number, since it uses less digits than its factorization.

30290700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 30290700 is about 5503.6987562911. The cubic root of 30290700 is about 311.7236622897.

Adding to 30290700 its reverse (709203), we get a palindrome (30999903).

The spelling of 30290700 in words is "thirty million, two hundred ninety thousand, seven hundred".