30740800 has 42 divisors (see below), whose sum is σ = 75645518. Its totient is φ = 12295680.

The previous prime is 30740797. The next prime is 30740807. The reversal of 30740800 is 804703.

It can be written as a sum of positive squares in 3 ways, for example, as 8386816 + 22353984 = 2896^2 + 4728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8007 + ... + 11206.

Almost surely, 2^30740800 is an apocalyptic number.

It is an amenable number.

30740800 is an abundant number, since it is smaller than the sum of its proper divisors (44904718).

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

30740800 is a wasteful number, since it uses less digits than its factorization.

30740800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19235 (or 19220 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30740800 is about 5544.4386550849. The cubic root of 30740800 is about 313.2600804565.

The spelling of 30740800 in words is "thirty million, seven hundred forty thousand, eight hundred".