77641341 has 4 divisors (see below), whose sum is σ = 103521792. Its totient is φ = 51760892.

The previous prime is 77641337. The next prime is 77641351. The reversal of 77641341 is 14314677.

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 cyclic number.

It is not a de Polignac number, because 77641341 - 2² = 77641337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77641351) 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, 12940221 + ... + 12940226.

It is an arithmetic number, because the mean of its divisors is an integer number (25880448).

Almost surely, 2^77641341 is an apocalyptic number.

It is an amenable number.

77641341 is a deficient number, since it is larger than the sum of its proper divisors (25880451).

77641341 is a wasteful number, since it uses less digits than its factorization.

77641341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25880450.

The product of its digits is 14112, while the sum is 33.

The square root of 77641341 is about 8811.4324034177. The cubic root of 77641341 is about 426.6099782948.

The spelling of 77641341 in words is "seventy-seven million, six hundred forty-one thousand, three hundred forty-one".