70443628 has 6 divisors (see below), whose sum is σ = 123276356. Its totient is φ = 35221812.

The previous prime is 70443623. The next prime is 70443673. The reversal of 70443628 is 82634407.

It is a junction number, because it is equal to n+sod(n) for n = 70443593 and 70443602.

It is not an unprimeable number, because it can be changed into a prime (70443623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8805450 + ... + 8805457.

Almost surely, 2^70443628 is an apocalyptic number.

It is an amenable number.

70443628 is a deficient number, since it is larger than the sum of its proper divisors (52832728).

70443628 is a wasteful number, since it uses less digits than its factorization.

70443628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17610911 (or 17610909 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 70443628 is about 8393.0702368085. The cubic root of 70443628 is about 412.9973246235.

The spelling of 70443628 in words is "seventy million, four hundred forty-three thousand, six hundred twenty-eight".