70489995 has 32 divisors (see below), whose sum is σ = 117013248. Its totient is φ = 36206208.

The previous prime is 70489987. The next prime is 70489999. The reversal of 70489995 is 59998407.

It is a happy number.

It is not a de Polignac number, because 70489995 - 2³ = 70489987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70489999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58792 + ... + 59978.

It is an arithmetic number, because the mean of its divisors is an integer number (3656664).

Almost surely, 2^70489995 is an apocalyptic number.

70489995 is a deficient number, since it is larger than the sum of its proper divisors (46523253).

70489995 is a wasteful number, since it uses less digits than its factorization.

70489995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 70489995 is about 8395.8320016542. The cubic root of 70489995 is about 413.0879183250.

The spelling of 70489995 in words is "seventy million, four hundred eighty-nine thousand, nine hundred ninety-five".