70549983 has 48 divisors (see below), whose sum is σ = 129841920. Its totient is φ = 35935488.

The previous prime is 70549981. The next prime is 70549987. The reversal of 70549983 is 38994507.

It is not a de Polignac number, because 70549983 - 2¹ = 70549981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70549981) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 18616 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (2705040).

Almost surely, 2^70549983 is an apocalyptic number.

70549983 is a deficient number, since it is larger than the sum of its proper divisors (59291937).

70549983 is a wasteful number, since it uses less digits than its factorization.

70549983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 70549983 is about 8399.4037288369. The cubic root of 70549983 is about 413.2050663538.

The spelling of 70549983 in words is "seventy million, five hundred forty-nine thousand, nine hundred eighty-three".