33872807740 has 48 divisors (see below), whose sum is σ = 72624952512. Its totient is φ = 13265980416.

The previous prime is 33872807723. The next prime is 33872807743. The reversal of 33872807740 is 4770827833.

It is a happy number.

It is a super-2 number, since 2×33872807740² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33872807743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483412 + ... + 549028.

It is an arithmetic number, because the mean of its divisors is an integer number (1513019844).

Almost surely, 2^33872807740 is an apocalyptic number.

It is an amenable number.

33872807740 is an abundant number, since it is smaller than the sum of its proper divisors (38752144772).

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

33872807740 is a wasteful number, since it uses less digits than its factorization.

33872807740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66166 (or 66164 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 33872807740 in words is "thirty-three billion, eight hundred seventy-two million, eight hundred seven thousand, seven hundred forty".