70650605 has 8 divisors (see below), whose sum is σ = 85271832. Its totient is φ = 56193088.

The previous prime is 70650577. The next prime is 70650647. The reversal of 70650605 is 50605607.

It can be written as a sum of positive squares in 4 ways, for example, as 14969161 + 55681444 = 3869^2 + 7462^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70650605 - 2²⁴ = 53873389 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 39974 + ... + 41703.

It is an arithmetic number, because the mean of its divisors is an integer number (10658979).

Almost surely, 2^70650605 is an apocalyptic number.

It is an amenable number.

70650605 is a deficient number, since it is larger than the sum of its proper divisors (14621227).

70650605 is a wasteful number, since it uses less digits than its factorization.

70650605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81855.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 70650605 is about 8405.3914245560. The cubic root of 70650605 is about 413.4014177792.

The spelling of 70650605 in words is "seventy million, six hundred fifty thousand, six hundred five".