70406205 has 8 divisors (see below), whose sum is σ = 112649952. Its totient is φ = 37549968.

The previous prime is 70406201. The next prime is 70406251. The reversal of 70406205 is 50260407.

It is a happy number.

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

It is not a de Polignac number, because 70406205 - 2² = 70406201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70406201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346859 + ... + 2346888.

It is an arithmetic number, because the mean of its divisors is an integer number (14081244).

Almost surely, 2^70406205 is an apocalyptic number.

It is an amenable number.

70406205 is a deficient number, since it is larger than the sum of its proper divisors (42243747).

70406205 is a wasteful number, since it uses less digits than its factorization.

70406205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693755.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70406205 is about 8390.8405419243. The cubic root of 70406205 is about 412.9241770726.

The spelling of 70406205 in words is "seventy million, four hundred six thousand, two hundred five".