342753779 has 4 divisors (see below), whose sum is σ = 362915784. Its totient is φ = 322591776.

The previous prime is 342753767. The next prime is 342753781. The reversal of 342753779 is 977357243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342753779 - 2¹⁶ = 342688243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342753739) 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, 10080977 + ... + 10081010.

It is an arithmetic number, because the mean of its divisors is an integer number (90728946).

Almost surely, 2^342753779 is an apocalyptic number.

342753779 is a deficient number, since it is larger than the sum of its proper divisors (20162005).

342753779 is a wasteful number, since it uses less digits than its factorization.

342753779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20162004.

The product of its digits is 1111320, while the sum is 47.

The square root of 342753779 is about 18513.6106419034. The cubic root of 342753779 is about 699.8324626260.

The spelling of 342753779 in words is "three hundred forty-two million, seven hundred fifty-three thousand, seven hundred seventy-nine".