83766740 has 12 divisors (see below), whose sum is σ = 175910196. Its totient is φ = 33506688.

The previous prime is 83766733. The next prime is 83766751. The reversal of 83766740 is 4766738.

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 73856836 = 3148^2 + 8594^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094149 + ... + 2094188.

It is an arithmetic number, because the mean of its divisors is an integer number (14659183).

Almost surely, 2^83766740 is an apocalyptic number.

It is an amenable number.

83766740 is an abundant number, since it is smaller than the sum of its proper divisors (92143456).

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

83766740 is a wasteful number, since it uses less digits than its factorization.

83766740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188346 (or 4188344 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 83766740 is about 9152.4171670658. The cubic root of 83766740 is about 437.5461545865.

The spelling of 83766740 in words is "eighty-three million, seven hundred sixty-six thousand, seven hundred forty".