1374724992 has 128 divisors (see below), whose sum is σ = 3886444800. Its totient is φ = 429056000.

The previous prime is 1374724991. The next prime is 1374725017. The reversal of 1374724992 is 2994274731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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 (1374724991) 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, 1638109 + ... + 1638947.

It is an arithmetic number, because the mean of its divisors is an integer number (30362850).

Almost surely, 2^1374724992 is an apocalyptic number.

1374724992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374724992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943222400).

1374724992 is an abundant number, since it is smaller than the sum of its proper divisors (2511719808).

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

1374724992 is a wasteful number, since it uses less digits than its factorization.

1374724992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1112 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 1374724992 is about 37077.2840429285. The cubic root of 1374724992 is about 1111.9159055154.

The spelling of 1374724992 in words is "one billion, three hundred seventy-four million, seven hundred twenty-four thousand, nine hundred ninety-two".