30077137 has 4 divisors (see below), whose sum is σ = 30088116. Its totient is φ = 30066160.

The previous prime is 30077119. The next prime is 30077143. The reversal of 30077137 is 73177003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73177003 = 61 ⋅1199623.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 10042561 = 4476^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 30077137 - 2⁷ = 30077009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30072137) 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 3 ways as a sum of consecutive naturals, for example, 2403 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (7522029).

Almost surely, 2^30077137 is an apocalyptic number.

It is an amenable number.

30077137 is a deficient number, since it is larger than the sum of its proper divisors (10979).

30077137 is an equidigital number, since it uses as much as digits as its factorization.

30077137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 30077137 is about 5484.2626669407. The cubic root of 30077137 is about 310.9893366622.

The spelling of 30077137 in words is "thirty million, seventy-seven thousand, one hundred thirty-seven".