70512055 has 4 divisors (see below), whose sum is σ = 84614472. Its totient is φ = 56409640.

The previous prime is 70512041. The next prime is 70512083. The reversal of 70512055 is 55021507.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70512055 - 2⁷ = 70511927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7051201 + ... + 7051210.

It is an arithmetic number, because the mean of its divisors is an integer number (21153618).

Almost surely, 2^70512055 is an apocalyptic number.

70512055 is a deficient number, since it is larger than the sum of its proper divisors (14102417).

70512055 is a wasteful number, since it uses less digits than its factorization.

70512055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102416.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 70512055 is about 8397.1456459919. The cubic root of 70512055 is about 413.1310060900.

The spelling of 70512055 in words is "seventy million, five hundred twelve thousand, fifty-five".