70479381 has 8 divisors (see below), whose sum is σ = 107397184. Its totient is φ = 40273920.

The previous prime is 70479371. The next prime is 70479389. The reversal of 70479381 is 18397407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70479381 - 2¹⁵ = 70446613 is a prime.

It is a super-2 number, since 2×70479381² = 9934686292286322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70479389) 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, 1678060 + ... + 1678101.

It is an arithmetic number, because the mean of its divisors is an integer number (13424648).

Almost surely, 2^70479381 is an apocalyptic number.

It is an amenable number.

70479381 is a deficient number, since it is larger than the sum of its proper divisors (36917803).

70479381 is a wasteful number, since it uses less digits than its factorization.

70479381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356171.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70479381 is about 8395.1998785020. The cubic root of 70479381 is about 413.0671837737.

The spelling of 70479381 in words is "seventy million, four hundred seventy-nine thousand, three hundred eighty-one".