1378074 has 24 divisors (see below), whose sum is σ = 2859840. Its totient is φ = 442680.

The previous prime is 1378073. The next prime is 1378081. The reversal of 1378074 is 4708731.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5647 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (119160).

2^1378074 is an apocalyptic number.

1378074 is an abundant number, since it is smaller than the sum of its proper divisors (1481766).

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

1378074 is a wasteful number, since it uses less digits than its factorization.

1378074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1378074 is about 1173.9139661832. The cubic root of 1378074 is about 111.2818096977.

It can be divided in two parts, 13 and 78074, that added together give a palindrome (78087).

The spelling of 1378074 in words is "one million, three hundred seventy-eight thousand, seventy-four".