30457394 has 24 divisors (see below), whose sum is σ = 50663424. Its totient is φ = 13721400.

The previous prime is 30457391. The next prime is 30457397. The reversal of 30457394 is 49375403.

It is an interprime number because it is at equal distance from previous prime (30457391) and next prime (30457397).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30457391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30239 + ... + 31229.

It is an arithmetic number, because the mean of its divisors is an integer number (2110976).

Almost surely, 2^30457394 is an apocalyptic number.

30457394 is a deficient number, since it is larger than the sum of its proper divisors (20206030).

30457394 is a wasteful number, since it uses less digits than its factorization.

30457394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 30457394 is about 5518.8217945500. The cubic root of 30457394 is about 312.2944363291.

The spelling of 30457394 in words is "thirty million, four hundred fifty-seven thousand, three hundred ninety-four".