70875000 has 280 divisors, whose sum is σ = 283590120. Its totient is φ = 16200000.

The previous prime is 70874977. The next prime is 70875001. The reversal of 70875000 is 57807.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70875001) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 10124997 + ... + 10125003.

Almost surely, 2^70875000 is an apocalyptic number.

70875000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141795060).

70875000 is an abundant number, since it is smaller than the sum of its proper divisors (212715120).

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

70875000 is an frugal number, since it uses more digits than its factorization.

70875000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 70875000 is about 8418.7291202414. The cubic root of 70875000 is about 413.8386264572.

The spelling of 70875000 in words is "seventy million, eight hundred seventy-five thousand".