70479145 has 8 divisors (see below), whose sum is σ = 92263680. Its totient is φ = 51257520.

The previous prime is 70479137. The next prime is 70479181. The reversal of 70479145 is 54197407.

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

It is not a de Polignac number, because 70479145 - 2³ = 70479137 is a prime.

It is an unprimeable number.

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, 640665 + ... + 640774.

It is an arithmetic number, because the mean of its divisors is an integer number (11532960).

Almost surely, 2^70479145 is an apocalyptic number.

It is an amenable number.

70479145 is a deficient number, since it is larger than the sum of its proper divisors (21784535).

70479145 is a wasteful number, since it uses less digits than its factorization.

70479145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281455.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 70479145 is about 8395.1858228392. The cubic root of 70479145 is about 413.0667227217.

The spelling of 70479145 in words is "seventy million, four hundred seventy-nine thousand, one hundred forty-five".