70712507 has 4 divisors (see below), whose sum is σ = 70768080. Its totient is φ = 70656936.

The previous prime is 70712489. The next prime is 70712567. The reversal of 70712507 is 70521707.

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

It is a cyclic number.

It is not a de Polignac number, because 70712507 - 2⁶ = 70712443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70712507.

It is not an unprimeable number, because it can be changed into a prime (70712567) by changing a digit.

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, 25832 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (17692020).

Almost surely, 2^70712507 is an apocalyptic number.

70712507 is a deficient number, since it is larger than the sum of its proper divisors (55573).

70712507 is a wasteful number, since it uses less digits than its factorization.

70712507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 70712507 is about 8409.0728977694. The cubic root of 70712507 is about 413.5221192903.

The spelling of 70712507 in words is "seventy million, seven hundred twelve thousand, five hundred seven".