70328636436 has 48 divisors (see below), whose sum is σ = 168132767040. Its totient is φ = 22866996480.

The previous prime is 70328636431. The next prime is 70328636471. The reversal of 70328636436 is 63463682307.

It is a super-2 number, since 2×70328636436² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70328636431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015330 + ... + 4032806.

It is an arithmetic number, because the mean of its divisors is an integer number (3502765980).

Almost surely, 2^70328636436 is an apocalyptic number.

It is an amenable number.

70328636436 is an abundant number, since it is smaller than the sum of its proper divisors (97804130604).

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

70328636436 is a wasteful number, since it uses less digits than its factorization.

70328636436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25704 (or 25702 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 48.

It can be divided in two parts, 7032 and 8636436, that added together give a palindrome (8643468).

The spelling of 70328636436 in words is "seventy billion, three hundred twenty-eight million, six hundred thirty-six thousand, four hundred thirty-six".