1734974640 has 400 divisors, whose sum is σ = 7190396928. Its totient is φ = 379095552.

The previous prime is 1734974639. The next prime is 1734974651. The reversal of 1734974640 is 464794371.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1042449 + ... + 1044111.

Almost surely, 2^1734974640 is an apocalyptic number.

1734974640 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 1734974640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3595198464).

1734974640 is an abundant number, since it is smaller than the sum of its proper divisors (5455422288).

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

1734974640 is a wasteful number, since it uses less digits than its factorization.

1734974640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 1734974640 is about 41653.0267807755. The cubic root of 1734974640 is about 1201.6123326825.

The spelling of 1734974640 in words is "one billion, seven hundred thirty-four million, nine hundred seventy-four thousand, six hundred forty".