342620677 has 4 divisors (see below), whose sum is σ = 391566496. Its totient is φ = 293674860.

The previous prime is 342620659. The next prime is 342620687. The reversal of 342620677 is 776026243.

It is a happy number.

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: 776026243 = 79 ⋅9823117.

It is a cyclic number.

It is not a de Polignac number, because 342620677 - 2²³ = 334232069 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 (342620617) 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, 24472899 + ... + 24472912.

It is an arithmetic number, because the mean of its divisors is an integer number (97891624).

Almost surely, 2^342620677 is an apocalyptic number.

It is an amenable number.

342620677 is a deficient number, since it is larger than the sum of its proper divisors (48945819).

342620677 is an equidigital number, since it uses as much as digits as its factorization.

342620677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48945818.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 342620677 is about 18510.0155861631. The cubic root of 342620677 is about 699.7418619613.

The spelling of 342620677 in words is "three hundred forty-two million, six hundred twenty thousand, six hundred seventy-seven".