70869628 has 6 divisors (see below), whose sum is σ = 124021856. Its totient is φ = 35434812.

The previous prime is 70869611. The next prime is 70869637. The reversal of 70869628 is 82696807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8858700 + ... + 8858707.

Almost surely, 2^70869628 is an apocalyptic number.

It is an amenable number.

70869628 is a deficient number, since it is larger than the sum of its proper divisors (53152228).

70869628 is a wasteful number, since it uses less digits than its factorization.

70869628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717411 (or 17717409 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 70869628 is about 8418.4100636640. The cubic root of 70869628 is about 413.8281705029.

The spelling of 70869628 in words is "seventy million, eight hundred sixty-nine thousand, six hundred twenty-eight".