1377474812 has 24 divisors (see below), whose sum is σ = 2759522304. Its totient is φ = 589366512.

The previous prime is 1377474811. The next prime is 1377474821. The reversal of 1377474812 is 2184747731.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377474811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23528 + ... + 57519.

It is an arithmetic number, because the mean of its divisors is an integer number (114980096).

Almost surely, 2^1377474812 is an apocalyptic number.

It is an amenable number.

1377474812 is an abundant number, since it is smaller than the sum of its proper divisors (1382047492).

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

1377474812 is a wasteful number, since it uses less digits than its factorization.

1377474812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81665 (or 81663 counting only the distinct ones).

The product of its digits is 263424, while the sum is 44.

The square root of 1377474812 is about 37114.3477916560. The cubic root of 1377474812 is about 1112.6567887762.

The spelling of 1377474812 in words is "one billion, three hundred seventy-seven million, four hundred seventy-four thousand, eight hundred twelve".