1343767761 has 48 divisors (see below), whose sum is σ = 2339475840. Its totient is φ = 726071040.

The previous prime is 1343767727. The next prime is 1343767769. The reversal of 1343767761 is 1677673431.

It is not a de Polignac number, because 1343767761 - 2⁶ = 1343767697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343767769) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125781 + ... + 1126973.

It is an arithmetic number, because the mean of its divisors is an integer number (48739080).

Almost surely, 2^1343767761 is an apocalyptic number.

It is an amenable number.

1343767761 is a deficient number, since it is larger than the sum of its proper divisors (995708079).

1343767761 is a wasteful number, since it uses less digits than its factorization.

1343767761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2163 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 1343767761 is about 36657.4380037667. The cubic root of 1343767761 is about 1103.5061024274.

The spelling of 1343767761 in words is "one billion, three hundred forty-three million, seven hundred sixty-seven thousand, seven hundred sixty-one".