70673959 has 4 divisors (see below), whose sum is σ = 72584104. Its totient is φ = 68763816.

The previous prime is 70673951. The next prime is 70673969. The reversal of 70673959 is 95937607.

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 70673959 - 2³ = 70673951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70673951) 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 3 ways as a sum of consecutive naturals, for example, 955017 + ... + 955090.

It is an arithmetic number, because the mean of its divisors is an integer number (18146026).

Almost surely, 2^70673959 is an apocalyptic number.

70673959 is a deficient number, since it is larger than the sum of its proper divisors (1910145).

70673959 is a wasteful number, since it uses less digits than its factorization.

70673959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910144.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 70673959 is about 8406.7805371617. The cubic root of 70673959 is about 413.4469635704.

It can be divided in two parts, 7067 and 3959, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 70673959 in words is "seventy million, six hundred seventy-three thousand, nine hundred fifty-nine".