30797052 has 96 divisors (see below), whose sum is σ = 85688064. Its totient is φ = 8486400.

The previous prime is 30797051. The next prime is 30797059. The reversal of 30797052 is 25079703.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30797051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224728 + ... + 224864.

It is an arithmetic number, because the mean of its divisors is an integer number (892584).

Almost surely, 2^30797052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30797052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42844032).

30797052 is an abundant number, since it is smaller than the sum of its proper divisors (54891012).

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

30797052 is a wasteful number, since it uses less digits than its factorization.

30797052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 30797052 is about 5549.5091674850. The cubic root of 30797052 is about 313.4510402291.

The spelling of 30797052 in words is "thirty million, seven hundred ninety-seven thousand, fifty-two".