70087673 has 4 divisors (see below), whose sum is σ = 70109520. Its totient is φ = 70065828.

The previous prime is 70087639. The next prime is 70087679. The reversal of 70087673 is 37678007.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37678007 = 19 ⋅1983053.

It is a cyclic number.

It is not a de Polignac number, because 70087673 - 2⁶ = 70087609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70087679) 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, 5063 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (17527380).

Almost surely, 2^70087673 is an apocalyptic number.

It is an amenable number.

70087673 is a deficient number, since it is larger than the sum of its proper divisors (21847).

70087673 is a wasteful number, since it uses less digits than its factorization.

70087673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21846.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 70087673 is about 8371.8380896909. The cubic root of 70087673 is about 412.3005179337.

The spelling of 70087673 in words is "seventy million, eighty-seven thousand, six hundred seventy-three".