70561627 has 4 divisors (see below), whose sum is σ = 72468736. Its totient is φ = 68654520.

The previous prime is 70561613. The next prime is 70561637. The reversal of 70561627 is 72616507.

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 70561627 - 2⁷ = 70561499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70561592 and 70561601.

It is not an unprimeable number, because it can be changed into a prime (70561637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953499 + ... + 953572.

It is an arithmetic number, because the mean of its divisors is an integer number (18117184).

Almost surely, 2^70561627 is an apocalyptic number.

70561627 is a deficient number, since it is larger than the sum of its proper divisors (1907109).

70561627 is a wasteful number, since it uses less digits than its factorization.

70561627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907108.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 70561627 is about 8400.0968446798. The cubic root of 70561627 is about 413.2277977324.

The spelling of 70561627 in words is "seventy million, five hundred sixty-one thousand, six hundred twenty-seven".