70667436 has 144 divisors (see below), whose sum is σ = 207954432. Its totient is φ = 18278400.

The previous prime is 70667417. The next prime is 70667437. The reversal of 70667436 is 63476607.

It is a junction number, because it is equal to n+sod(n) for n = 70667394 and 70667403.

It is not an unprimeable number, because it can be changed into a prime (70667437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995281 + ... + 995351.

It is an arithmetic number, because the mean of its divisors is an integer number (1444128).

Almost surely, 2^70667436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70667436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103977216).

70667436 is an abundant number, since it is smaller than the sum of its proper divisors (137286996).

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

70667436 is a wasteful number, since it uses less digits than its factorization.

70667436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 70667436 is about 8406.3925675643. The cubic root of 70667436 is about 413.4342431966.

The spelling of 70667436 in words is "seventy million, six hundred sixty-seven thousand, four hundred thirty-six".