70842975 has 72 divisors (see below), whose sum is σ = 140200848. Its totient is φ = 31449600.

The previous prime is 70842971. The next prime is 70842979. The reversal of 70842975 is 57924807.

It is an interprime number because it is at equal distance from previous prime (70842971) and next prime (70842979).

It is not a de Polignac number, because 70842975 - 2² = 70842971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70842971) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135715 + ... + 136235.

It is an arithmetic number, because the mean of its divisors is an integer number (1947234).

Almost surely, 2^70842975 is an apocalyptic number.

70842975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70842975 is a deficient number, since it is larger than the sum of its proper divisors (69357873).

70842975 is a wasteful number, since it uses less digits than its factorization.

70842975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 70842975 is about 8416.8268961646. The cubic root of 70842975 is about 413.7762858167.

It can be divided in two parts, 70842 and 975, that added together give a palindrome (71817).

The spelling of 70842975 in words is "seventy million, eight hundred forty-two thousand, nine hundred seventy-five".