30624442 has 8 divisors (see below), whose sum is σ = 45962100. Its totient is φ = 15303744.

The previous prime is 30624439. The next prime is 30624467. The reversal of 30624442 is 24442603.

It can be written as a sum of positive squares in 2 ways, for example, as 28826161 + 1798281 = 5369^2 + 1341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30624442² = 1875712895622728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284 + ... + 8152.

Almost surely, 2^30624442 is an apocalyptic number.

30624442 is a deficient number, since it is larger than the sum of its proper divisors (15337658).

30624442 is a wasteful number, since it uses less digits than its factorization.

30624442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 30624442 is about 5533.9354893240. The cubic root of 30624442 is about 312.8643370887.

The spelling of 30624442 in words is "thirty million, six hundred twenty-four thousand, four hundred forty-two".