402715170073 has 4 divisors (see below), whose sum is σ = 423910705360. Its totient is φ = 381519634788.

The previous prime is 402715170059. The next prime is 402715170103. The reversal of 402715170073 is 370071517204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402715170073 - 2²¹ = 402713072921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402715170673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597767615 + ... + 10597767652.

It is an arithmetic number, because the mean of its divisors is an integer number (105977676340).

Almost surely, 2^402715170073 is an apocalyptic number.

It is an amenable number.

402715170073 is a deficient number, since it is larger than the sum of its proper divisors (21195535287).

402715170073 is a wasteful number, since it uses less digits than its factorization.

402715170073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21195535286.

The product of its (nonzero) digits is 41160, while the sum is 37.

Adding to 402715170073 its reverse (370071517204), we get a palindrome (772786687277).

The spelling of 402715170073 in words is "four hundred two billion, seven hundred fifteen million, one hundred seventy thousand, seventy-three".