70751057 has 8 divisors (see below), whose sum is σ = 77159040. Its totient is φ = 64481040.

The previous prime is 70751029. The next prime is 70751071. The reversal of 70751057 is 75015707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70751057 - 2¹⁶ = 70685521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70751017) 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 7 ways as a sum of consecutive naturals, for example, 33419 + ... + 35472.

It is an arithmetic number, because the mean of its divisors is an integer number (9644880).

Almost surely, 2^70751057 is an apocalyptic number.

It is an amenable number.

70751057 is a deficient number, since it is larger than the sum of its proper divisors (6407983).

70751057 is a wasteful number, since it uses less digits than its factorization.

70751057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68983.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 70751057 is about 8411.3647525238. The cubic root of 70751057 is about 413.5972515989.

The spelling of 70751057 in words is "seventy million, seven hundred fifty-one thousand, fifty-seven".