30457075 has 12 divisors (see below), whose sum is σ = 41200488. Its totient is φ = 22150400.

The previous prime is 30457069. The next prime is 30457079. The reversal of 30457075 is 57075403.

It is not a de Polignac number, because 30457075 - 2³ = 30457067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30457079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55102 + ... + 55651.

It is an arithmetic number, because the mean of its divisors is an integer number (3433374).

Almost surely, 2^30457075 is an apocalyptic number.

30457075 is a deficient number, since it is larger than the sum of its proper divisors (10743413).

30457075 is a wasteful number, since it uses less digits than its factorization.

30457075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110774 (or 110769 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 30457075 is about 5518.7928933780. The cubic root of 30457075 is about 312.2933460380.

The spelling of 30457075 in words is "thirty million, four hundred fifty-seven thousand, seventy-five".