1343724772 has 12 divisors (see below), whose sum is σ = 2532404476. Its totient is φ = 620180640.

The previous prime is 1343724749. The next prime is 1343724787. The reversal of 1343724772 is 2774273431.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 1291971136 = 7194^2 + 35944^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12920379 + ... + 12920482.

Almost surely, 2^1343724772 is an apocalyptic number.

It is an amenable number.

1343724772 is a deficient number, since it is larger than the sum of its proper divisors (1188679704).

1343724772 is a wasteful number, since it uses less digits than its factorization.

1343724772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25840878 (or 25840876 counting only the distinct ones).

The product of its digits is 197568, while the sum is 40.

The square root of 1343724772 is about 36656.8516378589. The cubic root of 1343724772 is about 1103.4943347368.

The spelling of 1343724772 in words is "one billion, three hundred forty-three million, seven hundred twenty-four thousand, seven hundred seventy-two".