30750534 has 12 divisors (see below), whose sum is σ = 66626196. Its totient is φ = 10250172.

The previous prime is 30750509. The next prime is 30750539. The reversal of 30750534 is 43505703.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30750498 and 30750507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30750539) 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, 854164 + ... + 854199.

It is an arithmetic number, because the mean of its divisors is an integer number (5552183).

Almost surely, 2^30750534 is an apocalyptic number.

30750534 is an abundant number, since it is smaller than the sum of its proper divisors (35875662).

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

30750534 is a wasteful number, since it uses less digits than its factorization.

30750534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708371 (or 1708368 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30750534 is about 5545.3164021542. The cubic root of 30750534 is about 313.2931413162.

The spelling of 30750534 in words is "thirty million, seven hundred fifty thousand, five hundred thirty-four".