70272636 has 48 divisors (see below), whose sum is σ = 195546624. Its totient is φ = 19204416.

The previous prime is 70272619. The next prime is 70272637. The reversal of 70272636 is 63627207.

It is a junction number, because it is equal to n+sod(n) for n = 70272597 and 70272606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70272637) 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 15 ways as a sum of consecutive naturals, for example, 16255 + ... + 20118.

It is an arithmetic number, because the mean of its divisors is an integer number (4073888).

Almost surely, 2^70272636 is an apocalyptic number.

It is an amenable number.

70272636 is an abundant number, since it is smaller than the sum of its proper divisors (125273988).

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

70272636 is a wasteful number, since it uses less digits than its factorization.

70272636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36410 (or 36408 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 70272636 is about 8382.8775489088. The cubic root of 70272636 is about 412.6628895717.

The spelling of 70272636 in words is "seventy million, two hundred seventy-two thousand, six hundred thirty-six".