70672727 has 4 divisors (see below), whose sum is σ = 70707936. Its totient is φ = 70637520.

The previous prime is 70672711. The next prime is 70672747. The reversal of 70672727 is 72727607.

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 70672727 - 2⁴ = 70672711 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 (70672747) 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, 14399 + ... + 18672.

It is an arithmetic number, because the mean of its divisors is an integer number (17676984).

Almost surely, 2^70672727 is an apocalyptic number.

70672727 is a deficient number, since it is larger than the sum of its proper divisors (35209).

70672727 is a wasteful number, since it uses less digits than its factorization.

70672727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208.

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 70672727 is about 8406.7072626564. The cubic root of 70672727 is about 413.4445611314. Note that the first 3 decimals are identical.

The spelling of 70672727 in words is "seventy million, six hundred seventy-two thousand, seven hundred twenty-seven".