1374243738 has 32 divisors (see below), whose sum is σ = 3145519104. Its totient is φ = 392092272.

The previous prime is 1374243719. The next prime is 1374243779. The reversal of 1374243738 is 8373424731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1374243738.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031 + ... + 53037.

It is an arithmetic number, because the mean of its divisors is an integer number (98297472).

Almost surely, 2^1374243738 is an apocalyptic number.

1374243738 is an abundant number, since it is smaller than the sum of its proper divisors (1771275366).

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

1374243738 is a wasteful number, since it uses less digits than its factorization.

1374243738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45746.

The product of its digits is 338688, while the sum is 42.

The square root of 1374243738 is about 37070.7935981953. The cubic root of 1374243738 is about 1111.7861398203.

The spelling of 1374243738 in words is "one billion, three hundred seventy-four million, two hundred forty-three thousand, seven hundred thirty-eight".