77241343 has 4 divisors (see below), whose sum is σ = 77286448. Its totient is φ = 77196240.

The previous prime is 77241313. The next prime is 77241349. The reversal of 77241343 is 34314277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34314277 = 47 ⋅730091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77241343 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 (77241349) 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, 19878 + ... + 23443.

It is an arithmetic number, because the mean of its divisors is an integer number (19321612).

Almost surely, 2^77241343 is an apocalyptic number.

77241343 is a deficient number, since it is larger than the sum of its proper divisors (45105).

77241343 is a wasteful number, since it uses less digits than its factorization.

77241343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45104.

The product of its digits is 14112, while the sum is 31.

The square root of 77241343 is about 8788.7054223020. The cubic root of 77241343 is about 425.8761036982.

The spelling of 77241343 in words is "seventy-seven million, two hundred forty-one thousand, three hundred forty-three".