30545074 has 16 divisors (see below), whose sum is σ = 52468416. Its totient is φ = 13064400.

The previous prime is 30545051. The next prime is 30545101. The reversal of 30545074 is 47054503.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6084 + ... + 9904.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^30545074 is an apocalyptic number.

30545074 is a deficient number, since it is larger than the sum of its proper divisors (21923342).

30545074 is a wasteful number, since it uses less digits than its factorization.

30545074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 30545074 is about 5526.7598102324. The cubic root of 30545074 is about 312.5938244142.

Adding to 30545074 its reverse (47054503), we get a palindrome (77599577).

It can be divided in two parts, 3054 and 5074, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 30545074 in words is "thirty million, five hundred forty-five thousand, seventy-four".