1738140047 has 8 divisors (see below), whose sum is σ = 1987479552. Its totient is φ = 1489059000.

The previous prime is 1738140037. The next prime is 1738140049. The reversal of 1738140047 is 7400418371.

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 1738140047 - 2⁴ = 1738140031 is a prime.

It is a super-2 number, since 2×1738140047² = 6042261645970324418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1738139989 and 1738140016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1738140049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49979 + ... + 77292.

It is an arithmetic number, because the mean of its divisors is an integer number (248434944).

Almost surely, 2^1738140047 is an apocalyptic number.

1738140047 is a deficient number, since it is larger than the sum of its proper divisors (249339505).

1738140047 is a wasteful number, since it uses less digits than its factorization.

1738140047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129229.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1738140047 is about 41691.0067880352. The cubic root of 1738140047 is about 1202.3426567585.

The spelling of 1738140047 in words is "one billion, seven hundred thirty-eight million, one hundred forty thousand, forty-seven".