1377442742 has 16 divisors (see below), whose sum is σ = 2256442272. Its totient is φ = 626787840.

The previous prime is 1377442741. The next prime is 1377442763. The reversal of 1377442742 is 2472447731.

It is a self number, because there is not a number n which added to its sum of digits gives 1377442742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377442741) 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, 371243 + ... + 374934.

It is an arithmetic number, because the mean of its divisors is an integer number (141027642).

Almost surely, 2^1377442742 is an apocalyptic number.

1377442742 is a deficient number, since it is larger than the sum of its proper divisors (878999530).

1377442742 is a wasteful number, since it uses less digits than its factorization.

1377442742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746263.

The product of its digits is 263424, while the sum is 41.

The square root of 1377442742 is about 37113.9157459840. The cubic root of 1377442742 is about 1112.6481538500.

The spelling of 1377442742 in words is "one billion, three hundred seventy-seven million, four hundred forty-two thousand, seven hundred forty-two".