70906899 has 8 divisors (see below), whose sum is σ = 108048640. Its totient is φ = 40518216.

The previous prime is 70906897. The next prime is 70906909. The reversal of 70906899 is 99860907.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70906899 - 2¹ = 70906897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70906897) 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 7 ways as a sum of consecutive naturals, for example, 1688239 + ... + 1688280.

It is an arithmetic number, because the mean of its divisors is an integer number (13506080).

Almost surely, 2^70906899 is an apocalyptic number.

70906899 is a deficient number, since it is larger than the sum of its proper divisors (37141741).

70906899 is a wasteful number, since it uses less digits than its factorization.

70906899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376529.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 70906899 is about 8420.6234329769. The cubic root of 70906899 is about 413.9007031573.

The spelling of 70906899 in words is "seventy million, nine hundred six thousand, eight hundred ninety-nine".