30161074 has 4 divisors (see below), whose sum is σ = 45241614. Its totient is φ = 15080536.

The previous prime is 30161069. The next prime is 30161099. The reversal of 30161074 is 47016103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47016103 = 811 ⋅57973.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 294849 = 5465^2 + 543^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7540267 + ... + 7540270.

Almost surely, 2^30161074 is an apocalyptic number.

30161074 is a deficient number, since it is larger than the sum of its proper divisors (15080540).

30161074 is a wasteful number, since it uses less digits than its factorization.

30161074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080539.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30161074 is about 5491.9098681606. The cubic root of 30161074 is about 311.2783631406.

Adding to 30161074 its reverse (47016103), we get a palindrome (77177177).

The spelling of 30161074 in words is "thirty million, one hundred sixty-one thousand, seventy-four".