70321417 has 4 divisors (see below), whose sum is σ = 70390656. Its totient is φ = 70252180.

The previous prime is 70321343. The next prime is 70321421. The reversal of 70321417 is 71412307.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71412307 = 853 ⋅83719.

It is a cyclic number.

It is not a de Polignac number, because 70321417 - 2⁷ = 70321289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70321391 and 70321400.

It is not an unprimeable number, because it can be changed into a prime (70321487) 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, 33073 + ... + 35134.

It is an arithmetic number, because the mean of its divisors is an integer number (17597664).

Almost surely, 2^70321417 is an apocalyptic number.

It is an amenable number.

70321417 is a deficient number, since it is larger than the sum of its proper divisors (69239).

70321417 is a wasteful number, since it uses less digits than its factorization.

70321417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69238.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 70321417 is about 8385.7866059184. The cubic root of 70321417 is about 412.7583532471.

The spelling of 70321417 in words is "seventy million, three hundred twenty-one thousand, four hundred seventeen".