70829983 has 4 divisors (see below), whose sum is σ = 80948560. Its totient is φ = 60711408.

The previous prime is 70829933. The next prime is 70830029. The reversal of 70829983 is 38992807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70829983 - 2¹³ = 70821791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70829923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059278 + ... + 5059291.

It is an arithmetic number, because the mean of its divisors is an integer number (20237140).

Almost surely, 2^70829983 is an apocalyptic number.

70829983 is a deficient number, since it is larger than the sum of its proper divisors (10118577).

70829983 is a wasteful number, since it uses less digits than its factorization.

70829983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118576.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 70829983 is about 8416.0550734890. The cubic root of 70829983 is about 413.7509899180.

It can be divided in two parts, 70 and 829983, that multiplied together give a triangular number (58098810 = T₁₀₇₇₉).

The spelling of 70829983 in words is "seventy million, eight hundred twenty-nine thousand, nine hundred eighty-three".