70551005 has 16 divisors (see below), whose sum is σ = 100963584. Its totient is φ = 46273920.

The previous prime is 70551001. The next prime is 70551031. The reversal of 70551005 is 50015507.

It is not a de Polignac number, because 70551005 - 2² = 70551001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70551001) 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 15 ways as a sum of consecutive naturals, for example, 43016 + ... + 44625.

It is an arithmetic number, because the mean of its divisors is an integer number (6310224).

Almost surely, 2^70551005 is an apocalyptic number.

It is an amenable number.

70551005 is a deficient number, since it is larger than the sum of its proper divisors (30412579).

70551005 is a wasteful number, since it uses less digits than its factorization.

70551005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87676.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 70551005 is about 8399.4645662685. The cubic root of 70551005 is about 413.2070615989.

The spelling of 70551005 in words is "seventy million, five hundred fifty-one thousand, five".