1377742012 has 12 divisors (see below), whose sum is σ = 2420656056. Its totient is φ = 686126000.

The previous prime is 1377741997. The next prime is 1377742031. The reversal of 1377742012 is 2102477731.

It is a congruent number.

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, 685123 + ... + 687130.

It is an arithmetic number, because the mean of its divisors is an integer number (201721338).

Almost surely, 2^1377742012 is an apocalyptic number.

It is an amenable number.

1377742012 is a deficient number, since it is larger than the sum of its proper divisors (1042914044).

1377742012 is a wasteful number, since it uses less digits than its factorization.

1377742012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372508 (or 1372506 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 1377742012 is about 37117.9473031578. The cubic root of 1377742012 is about 1112.7287278224.

The spelling of 1377742012 in words is "one billion, three hundred seventy-seven million, seven hundred forty-two thousand, twelve".