30077461 has 4 divisors (see below), whose sum is σ = 30415500. Its totient is φ = 29739424.

The previous prime is 30077449. The next prime is 30077473. The reversal of 30077461 is 16477003.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30077449) and next prime (30077473).

It can be written as a sum of positive squares in 2 ways, for example, as 4977361 + 25100100 = 2231^2 + 5010^2 .

It is a cyclic number.

It is not a de Polignac number, because 30077461 - 2⁵ = 30077429 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 (30077401) 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, 168886 + ... + 169063.

It is an arithmetic number, because the mean of its divisors is an integer number (7603875).

Almost surely, 2^30077461 is an apocalyptic number.

It is an amenable number.

30077461 is a deficient number, since it is larger than the sum of its proper divisors (338039).

30077461 is an equidigital number, since it uses as much as digits as its factorization.

30077461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338038.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 30077461 is about 5484.2922059278. The cubic root of 30077461 is about 310.9904533485.

The spelling of 30077461 in words is "thirty million, seventy-seven thousand, four hundred sixty-one".