70312275 has 36 divisors (see below), whose sum is σ = 137390760. Its totient is φ = 34089600.

The previous prime is 70312271. The next prime is 70312301. The reversal of 70312275 is 57221307.

It is not a de Polignac number, because 70312275 - 2² = 70312271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70312271) 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 35 ways as a sum of consecutive naturals, for example, 11730 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (3816410).

Almost surely, 2^70312275 is an apocalyptic number.

70312275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70312275 is a deficient number, since it is larger than the sum of its proper divisors (67078485).

70312275 is a wasteful number, since it uses less digits than its factorization.

70312275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28436 (or 28428 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70312275 is about 8385.2414992056. The cubic root of 70312275 is about 412.7404658544.

The spelling of 70312275 in words is "seventy million, three hundred twelve thousand, two hundred seventy-five".