30770340 has 96 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 7618560.

The previous prime is 30770339. The next prime is 30770359. The reversal of 30770340 is 4307703.

It is a self number, because there is not a number n which added to its sum of digits gives 30770340.

It is an unprimeable number.

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, 98785 + ... + 99095.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 2^30770340 is an apocalyptic number.

30770340 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 30770340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46230912).

30770340 is an abundant number, since it is smaller than the sum of its proper divisors (61691484).

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

30770340 is a wasteful number, since it uses less digits than its factorization.

30770340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30770340 is about 5547.1019460616. The cubic root of 30770340 is about 313.3603894950.

The spelling of 30770340 in words is "thirty million, seven hundred seventy thousand, three hundred forty".