70505460 has 72 divisors (see below), whose sum is σ = 226456776. Its totient is φ = 17694720.

The previous prime is 70505453. The next prime is 70505483. The reversal of 70505460 is 6450507.

70505460 is a `hidden beast` number, since 70 + 50 + 546 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6441444 + 64064016 = 2538^2 + 8004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8461 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (3145233).

Almost surely, 2^70505460 is an apocalyptic number.

It is an amenable number.

70505460 is an abundant number, since it is smaller than the sum of its proper divisors (155951316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70505460 is a wasteful number, since it uses less digits than its factorization.

70505460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073 (or 23068 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 70505460 is about 8396.7529438468. The cubic root of 70505460 is about 413.1181256261.

Adding to 70505460 its reverse (6450507), we get a palindrome (76955967).

The spelling of 70505460 in words is "seventy million, five hundred five thousand, four hundred sixty".