70088400 has 90 divisors (see below), whose sum is σ = 243238710. Its totient is φ = 18689280.

The previous prime is 70088377. The next prime is 70088413. The reversal of 70088400 is 488007.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2322576 + 67765824 = 1524^2 + 8232^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 6135 + ... + 13334.

Almost surely, 2^70088400 is an apocalyptic number.

It is an amenable number.

70088400 is an abundant number, since it is smaller than the sum of its proper divisors (173150310).

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

70088400 is a wasteful number, since it uses less digits than its factorization.

70088400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493 (or 19479 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 70088400 is about 8371.8815089560. The cubic root of 70088400 is about 412.3019434885.

The spelling of 70088400 in words is "seventy million, eighty-eight thousand, four hundred".