70289075 has 12 divisors (see below), whose sum is σ = 91746360. Its totient is φ = 53271360.

The previous prime is 70289071. The next prime is 70289099. The reversal of 70289075 is 57098207.

It is not a de Polignac number, because 70289075 - 2² = 70289071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70289071) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 73514 + ... + 74463.

It is an arithmetic number, because the mean of its divisors is an integer number (7645530).

Almost surely, 2^70289075 is an apocalyptic number.

70289075 is a deficient number, since it is larger than the sum of its proper divisors (21457285).

70289075 is a wasteful number, since it uses less digits than its factorization.

70289075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148006 (or 148001 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 70289075 is about 8383.8580021372. The cubic root of 70289075 is about 412.6950653788.

The spelling of 70289075 in words is "seventy million, two hundred eighty-nine thousand, seventy-five".