70378417 has 8 divisors (see below), whose sum is σ = 71023392. Its totient is φ = 69736800.

The previous prime is 70378409. The next prime is 70378481. The reversal of 70378417 is 71487307.

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 70378417 - 2³ = 70378409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70378817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58698 + ... + 59884.

It is an arithmetic number, because the mean of its divisors is an integer number (8877924).

Almost surely, 2^70378417 is an apocalyptic number.

It is an amenable number.

70378417 is a deficient number, since it is larger than the sum of its proper divisors (644975).

70378417 is a wasteful number, since it uses less digits than its factorization.

70378417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 70378417 is about 8389.1845253278. The cubic root of 70378417 is about 412.8698454649.

The spelling of 70378417 in words is "seventy million, three hundred seventy-eight thousand, four hundred seventeen".