30740032 has 28 divisors (see below), whose sum is σ = 61283596. Its totient is φ = 15298560.

The previous prime is 30740011. The next prime is 30740033. The reversal of 30740032 is 23004703.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 7929856 = 4776^2 + 2816^2 .

It is a super-3 number, since 3×30740032³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30739991 and 30740009.

It is not an unprimeable number, because it can be changed into a prime (30740033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14428 + ... + 16420.

Almost surely, 2^30740032 is an apocalyptic number.

30740032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30740032 is a deficient number, since it is larger than the sum of its proper divisors (30543564).

30740032 is a wasteful number, since it uses less digits than its factorization.

30740032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30740032 is about 5544.3693960630. The cubic root of 30740032 is about 313.2574717004.

Adding to 30740032 its reverse (23004703), we get a palindrome (53744735).

The spelling of 30740032 in words is "thirty million, seven hundred forty thousand, thirty-two".