33752653972 has 12 divisors (see below), whose sum is σ = 59218990740. Its totient is φ = 16832942336.

The previous prime is 33752653943. The next prime is 33752653973. The reversal of 33752653972 is 27935625733.

It can be written as a sum of positive squares in 2 ways, for example, as 19716091396 + 14036562576 = 140414^2 + 118476^2 .

It is a super-2 number, since 2×33752653972² (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 (33752653973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10844413 + ... + 10847524.

It is an arithmetic number, because the mean of its divisors is an integer number (4934915895).

Almost surely, 2^33752653972 is an apocalyptic number.

It is an amenable number.

33752653972 is a deficient number, since it is larger than the sum of its proper divisors (25466336768).

33752653972 is a wasteful number, since it uses less digits than its factorization.

33752653972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21692330 (or 21692328 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 52.

The spelling of 33752653972 in words is "thirty-three billion, seven hundred fifty-two million, six hundred fifty-three thousand, nine hundred seventy-two".