70027057 has 4 divisors (see below), whose sum is σ = 71735076. Its totient is φ = 68319040.

The previous prime is 70027049. The next prime is 70027073. The reversal of 70027057 is 75072007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75072007 = 5639 ⋅13313.

It can be written as a sum of positive squares in 2 ways, for example, as 36108081 + 33918976 = 6009^2 + 5824^2 .

It is a cyclic number.

It is not a de Polignac number, because 70027057 - 2³ = 70027049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70027957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853948 + ... + 854029.

It is an arithmetic number, because the mean of its divisors is an integer number (17933769).

Almost surely, 2^70027057 is an apocalyptic number.

It is an amenable number.

70027057 is a deficient number, since it is larger than the sum of its proper divisors (1708019).

70027057 is a wasteful number, since it uses less digits than its factorization.

70027057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708018.

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 70027057 is about 8368.2170741443. The cubic root of 70027057 is about 412.1816229581.

The spelling of 70027057 in words is "seventy million, twenty-seven thousand, fifty-seven".