70270057 has 16 divisors (see below), whose sum is σ = 82938240. Its totient is φ = 58694400.

The previous prime is 70270051. The next prime is 70270073. The reversal of 70270057 is 75007207.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70270057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70270051) 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 15 ways as a sum of consecutive naturals, for example, 33444 + ... + 35482.

It is an arithmetic number, because the mean of its divisors is an integer number (5183640).

Almost surely, 2^70270057 is an apocalyptic number.

70270057 is the 5302-nd heptagonal number.

It is an amenable number.

70270057 is a deficient number, since it is larger than the sum of its proper divisors (12668183).

70270057 is a wasteful number, since it uses less digits than its factorization.

70270057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

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

The square root of 70270057 is about 8382.7237220369. The cubic root of 70270057 is about 412.6578412785.

The spelling of 70270057 in words is "seventy million, two hundred seventy thousand, fifty-seven".