70987627 has 2 divisors, whose sum is σ = 70987628. Its totient is φ = 70987626.

The previous prime is 70987603. The next prime is 70987643. The reversal of 70987627 is 72678907.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70987627 is a prime.

It is a super-2 number, since 2×70987627² = 10078486374182258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70987727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35493813 + 35493814.

It is an arithmetic number, because the mean of its divisors is an integer number (35493814).

Almost surely, 2^70987627 is an apocalyptic number.

70987627 is a deficient number, since it is larger than the sum of its proper divisors (1).

70987627 is an equidigital number, since it uses as much as digits as its factorization.

70987627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 70987627 is about 8425.4155387138. The cubic root of 70987627 is about 414.0577198651.

The spelling of 70987627 in words is "seventy million, nine hundred eighty-seven thousand, six hundred twenty-seven".