70434636 has 24 divisors (see below), whose sum is σ = 165533760. Its totient is φ = 23308752.

The previous prime is 70434631. The next prime is 70434641. The reversal of 70434636 is 63643407.

It is an interprime number because it is at equal distance from previous prime (70434631) and next prime (70434641).

It is a super-2 number, since 2×70434636² = 9922075896904992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70434597 and 70434606.

It is not an unprimeable number, because it can be changed into a prime (70434631) 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, 19446 + ... + 22781.

It is an arithmetic number, because the mean of its divisors is an integer number (6897240).

Almost surely, 2^70434636 is an apocalyptic number.

It is an amenable number.

70434636 is an abundant number, since it is smaller than the sum of its proper divisors (95099124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70434636 is a wasteful number, since it uses less digits than its factorization.

70434636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373 (or 42371 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 70434636 is about 8392.5345396966. The cubic root of 70434636 is about 412.9797510919.

The spelling of 70434636 in words is "seventy million, four hundred thirty-four thousand, six hundred thirty-six".