30053694 has 64 divisors (see below), whose sum is σ = 69691392. Its totient is φ = 8553600.

The previous prime is 30053693. The next prime is 30053701. The reversal of 30053694 is 49635003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75504 + ... + 75900.

It is an arithmetic number, because the mean of its divisors is an integer number (1088928).

Almost surely, 2^30053694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30053694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34845696).

30053694 is an abundant number, since it is smaller than the sum of its proper divisors (39637698).

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

30053694 is a wasteful number, since it uses less digits than its factorization.

30053694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 30053694 is about 5482.1249529722. The cubic root of 30053694 is about 310.9085176003.

Adding to 30053694 its reverse (49635003), we get a palindrome (79688697).

The spelling of 30053694 in words is "thirty million, fifty-three thousand, six hundred ninety-four".