70105477 has 16 divisors (see below), whose sum is σ = 79034368. Its totient is φ = 61741440.

The previous prime is 70105439. The next prime is 70105481. The reversal of 70105477 is 77450107.

It is a cyclic number.

It is not a de Polignac number, because 70105477 - 2¹⁹ = 69581189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70105487) 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 15 ways as a sum of consecutive naturals, for example, 28228 + ... + 30610.

It is an arithmetic number, because the mean of its divisors is an integer number (4939648).

Almost surely, 2^70105477 is an apocalyptic number.

It is an amenable number.

70105477 is a deficient number, since it is larger than the sum of its proper divisors (8928891).

70105477 is a wasteful number, since it uses less digits than its factorization.

70105477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 70105477 is about 8372.9013489949. The cubic root of 70105477 is about 412.3354264829.

The spelling of 70105477 in words is "seventy million, one hundred five thousand, four hundred seventy-seven".