69998070 has 32 divisors (see below), whose sum is σ = 172095840. Its totient is φ = 18210560.

The previous prime is 69998063. The next prime is 69998077. The reversal of 69998070 is 7089996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69998063) and next prime (69998077).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69998077) 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 15 ways as a sum of consecutive naturals, for example, 27225 + ... + 29684.

It is an arithmetic number, because the mean of its divisors is an integer number (5377995).

Almost surely, 2^69998070 is an apocalyptic number.

69998070 is an abundant number, since it is smaller than the sum of its proper divisors (102097770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69998070 is a wasteful number, since it uses less digits than its factorization.

69998070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56960.

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

The square root of 69998070 is about 8366.4849249849. The cubic root of 69998070 is about 412.1247422886.

The spelling of 69998070 in words is "sixty-nine million, nine hundred ninety-eight thousand, seventy".