1374415740 has 72 divisors (see below), whose sum is σ = 4187081808. Its totient is φ = 364926720.

The previous prime is 1374415739. The next prime is 1374415747. The reversal of 1374415740 is 475144731.

1374415740 is a `hidden beast` number, since 13 + 74 + 4 + 1 + 574 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1374415695 and 1374415704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374415747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25555 + ... + 58325.

It is an arithmetic number, because the mean of its divisors is an integer number (58153914).

Almost surely, 2^1374415740 is an apocalyptic number.

1374415740 is a gapful number since it is divisible by the number (10) 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 1374415740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093540904).

1374415740 is an abundant number, since it is smaller than the sum of its proper divisors (2812666068).

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

1374415740 is a wasteful number, since it uses less digits than its factorization.

1374415740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019 (or 33014 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1374415740 is about 37073.1134381778. The cubic root of 1374415740 is about 1111.8325220490.

The spelling of 1374415740 in words is "one billion, three hundred seventy-four million, four hundred fifteen thousand, seven hundred forty".