30073960 has 64 divisors (see below), whose sum is σ = 81417600. Its totient is φ = 9766656.

The previous prime is 30073919. The next prime is 30073961. The reversal of 30073960 is 6937003.

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

It is not an unprimeable number, because it can be changed into a prime (30073961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2494 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (1272150).

Almost surely, 2^30073960 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 30073960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40708800).

30073960 is an abundant number, since it is smaller than the sum of its proper divisors (51343640).

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

30073960 is a wasteful number, since it uses less digits than its factorization.

30073960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 30073960 is about 5483.9730123333. The cubic root of 30073960 is about 310.9783865075.

The spelling of 30073960 in words is "thirty million, seventy-three thousand, nine hundred sixty".