70312265 has 8 divisors (see below), whose sum is σ = 88043328. Its totient is φ = 53804080.

The previous prime is 70312259. The next prime is 70312271. The reversal of 70312265 is 56221307.

It is an interprime number because it is at equal distance from previous prime (70312259) and next prime (70312271).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70312265 - 2⁶ = 70312201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305591 + ... + 305820.

It is an arithmetic number, because the mean of its divisors is an integer number (11005416).

Almost surely, 2^70312265 is an apocalyptic number.

It is an amenable number.

70312265 is a deficient number, since it is larger than the sum of its proper divisors (17731063).

70312265 is a wasteful number, since it uses less digits than its factorization.

70312265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611439.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70312265 is about 8385.2409029198. The cubic root of 70312265 is about 412.7404462874.

The spelling of 70312265 in words is "seventy million, three hundred twelve thousand, two hundred sixty-five".