30750900 has 36 divisors (see below), whose sum is σ = 88973472. Its totient is φ = 8200160.

The previous prime is 30750871. The next prime is 30750901. The reversal of 30750900 is 905703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30750901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50952 + ... + 51551.

Almost surely, 2^30750900 is an apocalyptic number.

30750900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30750900 is an abundant number, since it is smaller than the sum of its proper divisors (58222572).

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

30750900 is a wasteful number, since it uses less digits than its factorization.

30750900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102520 (or 102513 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 30750900 is about 5545.3494028781. The cubic root of 30750900 is about 313.2943842739.

The spelling of 30750900 in words is "thirty million, seven hundred fifty thousand, nine hundred".