342473491 has 4 divisors (see below), whose sum is σ = 342573592. Its totient is φ = 342373392.

The previous prime is 342473489. The next prime is 342473503. The reversal of 342473491 is 194374243.

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 342473491 - 2¹ = 342473489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342473491.

It is not an unprimeable number, because it can be changed into a prime (342473471) 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, 44730 + ... + 51823.

It is an arithmetic number, because the mean of its divisors is an integer number (85643398).

Almost surely, 2^342473491 is an apocalyptic number.

342473491 is a deficient number, since it is larger than the sum of its proper divisors (100101).

342473491 is an equidigital number, since it uses as much as digits as its factorization.

342473491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100100.

The product of its digits is 72576, while the sum is 37.

The square root of 342473491 is about 18506.0393115329. The cubic root of 342473491 is about 699.6416471911.

The spelling of 342473491 in words is "three hundred forty-two million, four hundred seventy-three thousand, four hundred ninety-one".