30904077 has 4 divisors (see below), whose sum is σ = 41205440. Its totient is φ = 20602716.

The previous prime is 30904073. The next prime is 30904087. The reversal of 30904077 is 77040903.

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 not a de Polignac number, because 30904077 - 2² = 30904073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30904073) 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, 5150677 + ... + 5150682.

It is an arithmetic number, because the mean of its divisors is an integer number (10301360).

Almost surely, 2^30904077 is an apocalyptic number.

It is an amenable number.

30904077 is a deficient number, since it is larger than the sum of its proper divisors (10301363).

30904077 is a wasteful number, since it uses less digits than its factorization.

30904077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301362.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 30904077 is about 5559.1435491450. The cubic root of 30904077 is about 313.8137190099.

The spelling of 30904077 in words is "thirty million, nine hundred four thousand, seventy-seven".