30664401 has 4 divisors (see below), whose sum is σ = 40885872. Its totient is φ = 20442932.

The previous prime is 30664393. The next prime is 30664409. The reversal of 30664401 is 10446603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10446603 = 3 ⋅3482201.

It is an interprime number because it is at equal distance from previous prime (30664393) and next prime (30664409).

It is a cyclic number.

It is not a de Polignac number, because 30664401 - 2³ = 30664393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30664409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110731 + ... + 5110736.

It is an arithmetic number, because the mean of its divisors is an integer number (10221468).

Almost surely, 2^30664401 is an apocalyptic number.

It is an amenable number.

30664401 is a deficient number, since it is larger than the sum of its proper divisors (10221471).

30664401 is a wasteful number, since it uses less digits than its factorization.

30664401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221470.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30664401 is about 5537.5446725060. The cubic root of 30664401 is about 313.0003538530. Note that the first 3 decimals are identical.

The spelling of 30664401 in words is "thirty million, six hundred sixty-four thousand, four hundred one".