70506265 has 8 divisors (see below), whose sum is σ = 86671368. Its totient is φ = 55029120.

The previous prime is 70506257. The next prime is 70506277. The reversal of 70506265 is 56260507.

It can be written as a sum of positive squares in 4 ways, for example, as 7096896 + 63409369 = 2664^2 + 7963^2 .

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

It is not a de Polignac number, because 70506265 - 2³ = 70506257 is a prime.

It is a super-2 number, since 2×70506265² = 9942266808500450, which contains 22 as substring.

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, 171762 + ... + 172171.

It is an arithmetic number, because the mean of its divisors is an integer number (10833921).

Almost surely, 2^70506265 is an apocalyptic number.

It is an amenable number.

70506265 is a deficient number, since it is larger than the sum of its proper divisors (16165103).

70506265 is a wasteful number, since it uses less digits than its factorization.

70506265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343979.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 70506265 is about 8396.8008789062. The cubic root of 70506265 is about 413.1196978865.

The spelling of 70506265 in words is "seventy million, five hundred six thousand, two hundred sixty-five".