70675679 has 4 divisors (see below), whose sum is σ = 71215320. Its totient is φ = 70136040.

The previous prime is 70675673. The next prime is 70675721. The reversal of 70675679 is 97657607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97657607 = 101 ⋅966907.

It is a cyclic number.

It is not a de Polignac number, because 70675679 - 2¹⁶ = 70610143 is a prime.

It is a super-2 number, since 2×70675679² = 9990103204222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70675673) 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, 269624 + ... + 269885.

It is an arithmetic number, because the mean of its divisors is an integer number (17803830).

Almost surely, 2^70675679 is an apocalyptic number.

70675679 is a deficient number, since it is larger than the sum of its proper divisors (539641).

70675679 is a wasteful number, since it uses less digits than its factorization.

70675679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539640.

The product of its (nonzero) digits is 555660, while the sum is 47.

The square root of 70675679 is about 8406.8828349157. The cubic root of 70675679 is about 413.4503175781.

The spelling of 70675679 in words is "seventy million, six hundred seventy-five thousand, six hundred seventy-nine".