70775225 has 24 divisors (see below), whose sum is σ = 93040920. Its totient is φ = 53312000.

The previous prime is 70775213. The next prime is 70775227. The reversal of 70775225 is 52257707.

It can be written as a sum of positive squares in 12 ways, for example, as 60637369 + 10137856 = 7787^2 + 3184^2 .

It is not a de Polignac number, because 70775225 - 2¹⁶ = 70709689 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70775227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28535 + ... + 30915.

It is an arithmetic number, because the mean of its divisors is an integer number (3876705).

Almost surely, 2^70775225 is an apocalyptic number.

It is an amenable number.

70775225 is a deficient number, since it is larger than the sum of its proper divisors (22265695).

70775225 is a wasteful number, since it uses less digits than its factorization.

70775225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 70775225 is about 8412.8012576074. The cubic root of 70775225 is about 413.6443400847.

The spelling of 70775225 in words is "seventy million, seven hundred seventy-five thousand, two hundred twenty-five".