70077147 has 8 divisors (see below), whose sum is σ = 106784256. Its totient is φ = 40044072.

The previous prime is 70077101. The next prime is 70077169. The reversal of 70077147 is 74177007.

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

It is not a de Polignac number, because 70077147 - 2¹⁴ = 70060763 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70077197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668483 + ... + 1668524.

It is an arithmetic number, because the mean of its divisors is an integer number (13348032).

Almost surely, 2^70077147 is an apocalyptic number.

70077147 is a deficient number, since it is larger than the sum of its proper divisors (36707109).

70077147 is a wasteful number, since it uses less digits than its factorization.

70077147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337017.

The product of its (nonzero) digits is 9604, while the sum is 33.

The square root of 70077147 is about 8371.2094108319. The cubic root of 70077147 is about 412.2798766790.

The spelling of 70077147 in words is "seventy million, seventy-seven thousand, one hundred forty-seven".