30872401 has 8 divisors (see below), whose sum is σ = 36003200. Its totient is φ = 26461764.

The previous prime is 30872383. The next prime is 30872411. The reversal of 30872401 is 10427803.

It is not a de Polignac number, because 30872401 - 2⁷ = 30872273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30872411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44661 + ... + 45346.

It is an arithmetic number, because the mean of its divisors is an integer number (4500400).

Almost surely, 2^30872401 is an apocalyptic number.

It is an amenable number.

30872401 is a deficient number, since it is larger than the sum of its proper divisors (5130799).

30872401 is an frugal number, since it uses more digits than its factorization.

30872401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90028 (or 90014 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 30872401 is about 5556.2938187249. The cubic root of 30872401 is about 313.7064649679.

The spelling of 30872401 in words is "thirty million, eight hundred seventy-two thousand, four hundred one".