70988000 has 48 divisors (see below), whose sum is σ = 174427344. Its totient is φ = 28393600.

The previous prime is 70987981. The next prime is 70988011. The reversal of 70988000 is 88907.

It is a super-2 number, since 2×70988000² = 10078592288000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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, 4874 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (3633903).

Almost surely, 2^70988000 is an apocalyptic number.

It is an amenable number.

70988000 is an abundant number, since it is smaller than the sum of its proper divisors (103439344).

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

70988000 is a wasteful number, since it uses less digits than its factorization.

70988000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17772 (or 17754 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 70988000 is about 8425.4376740915. The cubic root of 70988000 is about 414.0584450772.

The spelling of 70988000 in words is "seventy million, nine hundred eighty-eight thousand".