70675639 has 8 divisors (see below), whose sum is σ = 74669760. Its totient is φ = 66785376.

The previous prime is 70675621. The next prime is 70675643. The reversal of 70675639 is 93657607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70675639 - 2¹¹ = 70673591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70675595 and 70675604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70675669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24564 + ... + 27289.

It is an arithmetic number, because the mean of its divisors is an integer number (9333720).

Almost surely, 2^70675639 is an apocalyptic number.

70675639 is a deficient number, since it is larger than the sum of its proper divisors (3994121).

70675639 is a wasteful number, since it uses less digits than its factorization.

70675639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51929.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 70675639 is about 8406.8804559123. The cubic root of 70675639 is about 413.4502395785.

The spelling of 70675639 in words is "seventy million, six hundred seventy-five thousand, six hundred thirty-nine".