83074140 has 48 divisors (see below), whose sum is σ = 258454560. Its totient is φ = 22152960.

The previous prime is 83074127. The next prime is 83074157. The reversal of 83074140 is 4147038.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76381 + ... + 77460.

It is an arithmetic number, because the mean of its divisors is an integer number (5384470).

Almost surely, 2^83074140 is an apocalyptic number.

It is an amenable number.

83074140 is an abundant number, since it is smaller than the sum of its proper divisors (175380420).

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

83074140 is a wasteful number, since it uses less digits than its factorization.

83074140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153859 (or 153851 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 83074140 is about 9114.5016320148. The cubic root of 83074140 is about 436.3369095846.

The spelling of 83074140 in words is "eighty-three million, seventy-four thousand, one hundred forty".