101642473 has 8 divisors (see below), whose sum is σ = 108072360. Its totient is φ = 95262720.

The previous prime is 101642449. The next prime is 101642491. The reversal of 101642473 is 374246101.

It can be written as a sum of positive squares in 4 ways, for example, as 61027344 + 40615129 = 7812^2 + 6373^2 .

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 101642473 - 2⁹ = 101641961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101642413) 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, 8308 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (13509045).

Almost surely, 2^101642473 is an apocalyptic number.

It is an amenable number.

101642473 is a deficient number, since it is larger than the sum of its proper divisors (6429887).

101642473 is a wasteful number, since it uses less digits than its factorization.

101642473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25067.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 101642473 is about 10081.7891765301. The cubic root of 101642473 is about 466.6863240586.

Adding to 101642473 its reverse (374246101), we get a palindrome (475888574).

The spelling of 101642473 in words is "one hundred one million, six hundred forty-two thousand, four hundred seventy-three".