1374581568 has 112 divisors (see below), whose sum is σ = 3835359360. Its totient is φ = 433618944.

The previous prime is 1374581567. The next prime is 1374581569. The reversal of 1374581568 is 8651854731.

It is an interprime number because it is at equal distance from previous prime (1374581567) and next prime (1374581569).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374581567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426748 + ... + 429956.

It is an arithmetic number, because the mean of its divisors is an integer number (34244280).

Almost surely, 2^1374581568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374581568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917679680).

1374581568 is an abundant number, since it is smaller than the sum of its proper divisors (2460777792).

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

1374581568 is a wasteful number, since it uses less digits than its factorization.

1374581568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344 (or 3334 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 1374581568 is about 37075.3498702305. The cubic root of 1374581568 is about 1111.8772357271.

The spelling of 1374581568 in words is "one billion, three hundred seventy-four million, five hundred eighty-one thousand, five hundred sixty-eight".