30484137 has 4 divisors (see below), whose sum is σ = 40645520. Its totient is φ = 20322756.

The previous prime is 30484117. The next prime is 30484141. The reversal of 30484137 is 73148403.

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.

It is a de Polignac number, because none of the positive numbers 2^k-30484137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30484117) 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, 5080687 + ... + 5080692.

It is an arithmetic number, because the mean of its divisors is an integer number (10161380).

Almost surely, 2^30484137 is an apocalyptic number.

It is an amenable number.

30484137 is a deficient number, since it is larger than the sum of its proper divisors (10161383).

30484137 is a wasteful number, since it uses less digits than its factorization.

30484137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161382.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30484137 is about 5521.2441532684. The cubic root of 30484137 is about 312.3858125744.

The spelling of 30484137 in words is "thirty million, four hundred eighty-four thousand, one hundred thirty-seven".