70442627 has 4 divisors (see below), whose sum is σ = 71126640. Its totient is φ = 69758616.

The previous prime is 70442623. The next prime is 70442639. The reversal of 70442627 is 72624407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72624407 = 41 ⋅1771327.

It is a cyclic number.

It is not a de Polignac number, because 70442627 - 2² = 70442623 is a prime.

It is a super-2 number, since 2×70442627² = 9924327397322258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70442593 and 70442602.

It is not an unprimeable number, because it can be changed into a prime (70442623) 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 3 ways as a sum of consecutive naturals, for example, 341852 + ... + 342057.

It is an arithmetic number, because the mean of its divisors is an integer number (17781660).

Almost surely, 2^70442627 is an apocalyptic number.

70442627 is a deficient number, since it is larger than the sum of its proper divisors (684013).

70442627 is a wasteful number, since it uses less digits than its factorization.

70442627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684012.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 70442627 is about 8393.0106040681. The cubic root of 70442627 is about 412.9953683913.

The spelling of 70442627 in words is "seventy million, four hundred forty-two thousand, six hundred twenty-seven".