1742406340 has 24 divisors (see below), whose sum is σ = 3709180440. Its totient is φ = 687414528.

The previous prime is 1742406329. The next prime is 1742406359. The reversal of 1742406340 is 436042471.

It can be written as a sum of positive squares in 4 ways, for example, as 691479616 + 1050926724 = 26296^2 + 32418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595255 + ... + 598174.

It is an arithmetic number, because the mean of its divisors is an integer number (154549185).

Almost surely, 2^1742406340 is an apocalyptic number.

1742406340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1742406340 is an abundant number, since it is smaller than the sum of its proper divisors (1966774100).

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

1742406340 is a wasteful number, since it uses less digits than its factorization.

1742406340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193511 (or 1193509 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 1742406340 is about 41742.1410567307. The cubic root of 1742406340 is about 1203.3255761980.

The spelling of 1742406340 in words is "one billion, seven hundred forty-two million, four hundred six thousand, three hundred forty".