1734942661 has 8 divisors (see below), whose sum is σ = 1798380000. Its totient is φ = 1671746160.

The previous prime is 1734942623. The next prime is 1734942743. The reversal of 1734942661 is 1662494371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1734942661 - 2⁷ = 1734942533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1734942061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45475 + ... + 74416.

It is an arithmetic number, because the mean of its divisors is an integer number (224797500).

Almost surely, 2^1734942661 is an apocalyptic number.

It is an amenable number.

1734942661 is a deficient number, since it is larger than the sum of its proper divisors (63437339).

1734942661 is a wasteful number, since it uses less digits than its factorization.

1734942661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120419.

The product of its digits is 217728, while the sum is 43.

The square root of 1734942661 is about 41652.6429053428. The cubic root of 1734942661 is about 1201.6049499431.

The spelling of 1734942661 in words is "one billion, seven hundred thirty-four million, nine hundred forty-two thousand, six hundred sixty-one".