1374574740 has 192 divisors, whose sum is σ = 4853882880. Its totient is φ = 282332160.

The previous prime is 1374574727. The next prime is 1374574781. The reversal of 1374574740 is 474754731.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1374574692 and 1374574701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 409509 + ... + 412851.

It is an arithmetic number, because the mean of its divisors is an integer number (25280640).

Almost surely, 2^1374574740 is an apocalyptic number.

1374574740 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 1374574740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426941440).

1374574740 is an abundant number, since it is smaller than the sum of its proper divisors (3479308140).

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

1374574740 is a wasteful number, since it uses less digits than its factorization.

1374574740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The square root of 1374574740 is about 37075.2577873708. The cubic root of 1374574740 is about 1111.8753947037.

Subtracting from 1374574740 its reverse (474754731), we obtain a square (899820009 = 29997²).

The spelling of 1374574740 in words is "one billion, three hundred seventy-four million, five hundred seventy-four thousand, seven hundred forty".