70023505 has 8 divisors (see below), whose sum is σ = 84356712. Its totient is φ = 55799808.

The previous prime is 70023497. The next prime is 70023511. The reversal of 70023505 is 50532007.

It can be written as a sum of positive squares in 4 ways, for example, as 17272336 + 52751169 = 4156^2 + 7263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70023505 - 2³ = 70023497 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, 25962 + ... + 28531.

It is an arithmetic number, because the mean of its divisors is an integer number (10544589).

Almost surely, 2^70023505 is an apocalyptic number.

It is an amenable number.

70023505 is a deficient number, since it is larger than the sum of its proper divisors (14333207).

70023505 is a wasteful number, since it uses less digits than its factorization.

70023505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54755.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 70023505 is about 8368.0048398648. The cubic root of 70023505 is about 412.1746537763.

The spelling of 70023505 in words is "seventy million, twenty-three thousand, five hundred five".