30401066 has 24 divisors (see below), whose sum is σ = 48905100. Its totient is φ = 14170112.

The previous prime is 30401053. The next prime is 30401071. The reversal of 30401066 is 66010403.

It can be written as a sum of positive squares in 6 ways, for example, as 16120225 + 14280841 = 4015^2 + 3779^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85946 + ... + 86298.

Almost surely, 2^30401066 is an apocalyptic number.

30401066 is a deficient number, since it is larger than the sum of its proper divisors (18504034).

30401066 is a wasteful number, since it uses less digits than its factorization.

30401066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30401066 is about 5513.7161696990. The cubic root of 30401066 is about 312.1017980883.

Adding to 30401066 its reverse (66010403), we get a palindrome (96411469).

The spelling of 30401066 in words is "thirty million, four hundred one thousand, sixty-six".