30073760 has 48 divisors (see below), whose sum is σ = 71791272. Its totient is φ = 11904000.

The previous prime is 30073759. The next prime is 30073763. The reversal of 30073760 is 6737003.

It can be written as a sum of positive squares in 4 ways, for example, as 21939856 + 8133904 = 4684^2 + 2852^2 .

It is not an unprimeable number, because it can be changed into a prime (30073763) 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, 15230 + ... + 17090.

Almost surely, 2^30073760 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 30073760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35895636).

30073760 is an abundant number, since it is smaller than the sum of its proper divisors (41717512).

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

30073760 is a wasteful number, since it uses less digits than its factorization.

30073760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 30073760 is about 5483.9547773482. The cubic root of 30073760 is about 310.9776971424.

The spelling of 30073760 in words is "thirty million, seventy-three thousand, seven hundred sixty".