30069144 has 120 divisors (see below), whose sum is σ = 98075340. Its totient is φ = 8582112.

The previous prime is 30069121. The next prime is 30069167. The reversal of 30069144 is 44196003.

It is an interprime number because it is at equal distance from previous prime (30069121) and next prime (30069167).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 31279 + ... + 32225.

Almost surely, 2^30069144 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 30069144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49037670).

30069144 is an abundant number, since it is smaller than the sum of its proper divisors (68006196).

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

30069144 is a wasteful number, since it uses less digits than its factorization.

30069144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30069144 is about 5483.5338970412. The cubic root of 30069144 is about 310.9617857465.

The spelling of 30069144 in words is "thirty million, sixty-nine thousand, one hundred forty-four".