70469988 has 24 divisors (see below), whose sum is σ = 166413408. Its totient is φ = 23206656.

The previous prime is 70469983. The next prime is 70470041. The reversal of 70469988 is 88996407.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70469988.

It is not an unprimeable number, because it can be changed into a prime (70469983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34381 + ... + 36372.

It is an arithmetic number, because the mean of its divisors is an integer number (6933892).

Almost surely, 2^70469988 is an apocalyptic number.

It is an amenable number.

70469988 is an abundant number, since it is smaller than the sum of its proper divisors (95943420).

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

70469988 is a wasteful number, since it uses less digits than its factorization.

70469988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70843 (or 70841 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 70469988 is about 8394.6404330382. The cubic root of 70469988 is about 413.0488327213.

The spelling of 70469988 in words is "seventy million, four hundred sixty-nine thousand, nine hundred eighty-eight".