70773812 has 6 divisors (see below), whose sum is σ = 123854178. Its totient is φ = 35386904.

The previous prime is 70773811. The next prime is 70773817. The reversal of 70773812 is 21837707.

It can be written as a sum of positive squares in only one way, i.e., 68624656 + 2149156 = 8284^2 + 1466^2 .

It is a super-2 number, since 2×70773812² = 10017864930022688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70773811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8846723 + ... + 8846730.

It is an arithmetic number, because the mean of its divisors is an integer number (20642363).

Almost surely, 2^70773812 is an apocalyptic number.

It is an amenable number.

70773812 is a deficient number, since it is larger than the sum of its proper divisors (53080366).

70773812 is a wasteful number, since it uses less digits than its factorization.

70773812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693457 (or 17693455 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 70773812 is about 8412.7172780262. The cubic root of 70773812 is about 413.6415873166.

The spelling of 70773812 in words is "seventy million, seven hundred seventy-three thousand, eight hundred twelve".