77130941 has 4 divisors (see below), whose sum is σ = 77195232. Its totient is φ = 77066652.

The previous prime is 77130919. The next prime is 77130943. The reversal of 77130941 is 14903177.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14903177 = 97 ⋅153641.

It is a cyclic number.

It is not a de Polignac number, because 77130941 - 2²² = 72936637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77130898 and 77130907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77130943) 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, 30311 + ... + 32756.

It is an arithmetic number, because the mean of its divisors is an integer number (19298808).

Almost surely, 2^77130941 is an apocalyptic number.

It is an amenable number.

77130941 is a deficient number, since it is larger than the sum of its proper divisors (64291).

77130941 is a wasteful number, since it uses less digits than its factorization.

77130941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64290.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 77130941 is about 8782.4222740654. The cubic root of 77130941 is about 425.6731036359.

The spelling of 77130941 in words is "seventy-seven million, one hundred thirty thousand, nine hundred forty-one".