70863628 has 12 divisors (see below), whose sum is σ = 135285192. Its totient is φ = 32210720.

The previous prime is 70863623. The next prime is 70863629. The reversal of 70863628 is 82636807.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70863623) 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 3 ways as a sum of consecutive naturals, for example, 805225 + ... + 805312.

It is an arithmetic number, because the mean of its divisors is an integer number (11273766).

Almost surely, 2^70863628 is an apocalyptic number.

It is an amenable number.

70863628 is a deficient number, since it is larger than the sum of its proper divisors (64421564).

70863628 is a wasteful number, since it uses less digits than its factorization.

70863628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610552 (or 1610550 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 70863628 is about 8418.0536942930. The cubic root of 70863628 is about 413.8164915973.

The spelling of 70863628 in words is "seventy million, eight hundred sixty-three thousand, six hundred twenty-eight".