30750076 has 24 divisors (see below), whose sum is σ = 65118816. Its totient is φ = 12403200.

The previous prime is 30750073. The next prime is 30750091. The reversal of 30750076 is 67005703.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30750073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31825 + ... + 32776.

It is an arithmetic number, because the mean of its divisors is an integer number (2713284).

Almost surely, 2^30750076 is an apocalyptic number.

It is an amenable number.

30750076 is an abundant number, since it is smaller than the sum of its proper divisors (34368740).

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

30750076 is a wasteful number, since it uses less digits than its factorization.

30750076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64629 (or 64627 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 30750076 is about 5545.2751058897. The cubic root of 30750076 is about 313.2915859072.

Adding to 30750076 its reverse (67005703), we get a palindrome (97755779).

The spelling of 30750076 in words is "thirty million, seven hundred fifty thousand, seventy-six".