70863107 has 4 divisors (see below), whose sum is σ = 80986416. Its totient is φ = 60739800.

The previous prime is 70863083. The next prime is 70863167. The reversal of 70863107 is 70136807.

It is a happy number.

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 70863107 - 2¹² = 70859011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70863167) 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, 5061644 + ... + 5061657.

It is an arithmetic number, because the mean of its divisors is an integer number (20246604).

Almost surely, 2^70863107 is an apocalyptic number.

70863107 is a deficient number, since it is larger than the sum of its proper divisors (10123309).

70863107 is a wasteful number, since it uses less digits than its factorization.

70863107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123308.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 70863107 is about 8418.0227488407. The cubic root of 70863107 is about 413.8154774479.

The spelling of 70863107 in words is "seventy million, eight hundred sixty-three thousand, one hundred seven".