1342173420 has 72 divisors (see below), whose sum is σ = 4652872224. Its totient is φ = 306782208.

The previous prime is 1342173419. The next prime is 1342173457. The reversal of 1342173420 is 243712431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531349 + ... + 533868.

Almost surely, 2^1342173420 is an apocalyptic number.

1342173420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342173420 is an abundant number, since it is smaller than the sum of its proper divisors (3310698804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342173420 is a wasteful number, since it uses less digits than its factorization.

1342173420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065239 (or 1065234 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1342173420 is about 36635.6850625179. The cubic root of 1342173420 is about 1103.0695038462.

Adding to 1342173420 its reverse (243712431), we get a palindrome (1585885851).

The spelling of 1342173420 in words is "one billion, three hundred forty-two million, one hundred seventy-three thousand, four hundred twenty".