70486628 has 24 divisors (see below), whose sum is σ = 132199872. Its totient is φ = 32798304.

The previous prime is 70486627. The next prime is 70486631. The reversal of 70486628 is 82668407.

It is not an unprimeable number, because it can be changed into a prime (70486627) 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 7 ways as a sum of consecutive naturals, for example, 6950 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (5508328).

Almost surely, 2^70486628 is an apocalyptic number.

It is an amenable number.

70486628 is a deficient number, since it is larger than the sum of its proper divisors (61713244).

70486628 is a wasteful number, since it uses less digits than its factorization.

70486628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771 (or 20769 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 70486628 is about 8395.6314830988. The cubic root of 70486628 is about 413.0813410834.

The spelling of 70486628 in words is "seventy million, four hundred eighty-six thousand, six hundred twenty-eight".