30072458 has 8 divisors (see below), whose sum is σ = 48578628. Its totient is φ = 13879584.

The previous prime is 30072397. The next prime is 30072461. The reversal of 30072458 is 85427003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26697889 + 3374569 = 5167^2 + 1837^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30072458.

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, 578291 + ... + 578342.

Almost surely, 2^30072458 is an apocalyptic number.

30072458 is a deficient number, since it is larger than the sum of its proper divisors (18506170).

30072458 is a wasteful number, since it uses less digits than its factorization.

30072458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156648.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 30072458 is about 5483.8360661128. The cubic root of 30072458 is about 310.9732093009.

The spelling of 30072458 in words is "thirty million, seventy-two thousand, four hundred fifty-eight".