70606805 has 4 divisors (see below), whose sum is σ = 84728172. Its totient is φ = 56485440.

The previous prime is 70606801. The next prime is 70606819. The reversal of 70606805 is 50860607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34774609 + 35832196 = 5897^2 + 5986^2 .

It is not a de Polignac number, because 70606805 - 2² = 70606801 is a prime.

It is a super-3 number, since 3×70606805³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70606801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060676 + ... + 7060685.

It is an arithmetic number, because the mean of its divisors is an integer number (21182043).

Almost surely, 2^70606805 is an apocalyptic number.

It is an amenable number.

70606805 is a deficient number, since it is larger than the sum of its proper divisors (14121367).

70606805 is a wasteful number, since it uses less digits than its factorization.

70606805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121366.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70606805 is about 8402.7855500423. The cubic root of 70606805 is about 413.3159704089.

The spelling of 70606805 in words is "seventy million, six hundred six thousand, eight hundred five".