1342715772 has 24 divisors (see below), whose sum is σ = 3234068992. Its totient is φ = 433134000.

The previous prime is 1342715771. The next prime is 1342715779. The reversal of 1342715772 is 2775172431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1342715772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342715771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804354 + ... + 1805097.

Almost surely, 2^1342715772 is an apocalyptic number.

1342715772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1342715772 is an abundant number, since it is smaller than the sum of its proper divisors (1891353220).

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

1342715772 is a wasteful number, since it uses less digits than its factorization.

1342715772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609489 (or 3609487 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 1342715772 is about 36643.0862783145. The cubic root of 1342715772 is about 1103.2180617447.

The spelling of 1342715772 in words is "one billion, three hundred forty-two million, seven hundred fifteen thousand, seven hundred seventy-two".