70711623 has 20 divisors (see below), whose sum is σ = 106242840. Its totient is φ = 46868112.

The previous prime is 70711609. The next prime is 70711643. The reversal of 70711623 is 32611707.

It is not a de Polignac number, because 70711623 - 2⁴ = 70711607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70711603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12061 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (5312142).

Almost surely, 2^70711623 is an apocalyptic number.

70711623 is a deficient number, since it is larger than the sum of its proper divisors (35531217).

70711623 is a wasteful number, since it uses less digits than its factorization.

70711623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 70711623 is about 8409.0203353304. The cubic root of 70711623 is about 413.5203960917.

The spelling of 70711623 in words is "seventy million, seven hundred eleven thousand, six hundred twenty-three".