70865270 has 48 divisors (see below), whose sum is σ = 153530640. Its totient is φ = 23454144.

The previous prime is 70865243. The next prime is 70865303. The reversal of 70865270 is 7256807.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 70865270.

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 23 ways as a sum of consecutive naturals, for example, 11717 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (3198555).

Almost surely, 2^70865270 is an apocalyptic number.

70865270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70865270 is an abundant number, since it is smaller than the sum of its proper divisors (82665370).

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

70865270 is a wasteful number, since it uses less digits than its factorization.

70865270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5030 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 70865270 is about 8418.1512222103. The cubic root of 70865270 is about 413.8196877900.

The spelling of 70865270 in words is "seventy million, eight hundred sixty-five thousand, two hundred seventy".