173740641 has 16 divisors (see below), whose sum is σ = 238353024. Its totient is φ = 112489344.

The previous prime is 173740631. The next prime is 173740649. The reversal of 173740641 is 146047371.

It is not a de Polignac number, because 173740641 - 2⁶ = 173740577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173740649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79621 + ... + 81773.

It is an arithmetic number, because the mean of its divisors is an integer number (14897064).

Almost surely, 2^173740641 is an apocalyptic number.

It is an amenable number.

173740641 is a deficient number, since it is larger than the sum of its proper divisors (64612383).

173740641 is a wasteful number, since it uses less digits than its factorization.

173740641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 173740641 is about 13181.0713145783. The cubic root of 173740641 is about 557.9994957666. Note that the first 3 decimals are identical.

The spelling of 173740641 in words is "one hundred seventy-three million, seven hundred forty thousand, six hundred forty-one".