33472073138 has 32 divisors (see below), whose sum is σ = 57907820160. Its totient is φ = 14213969280.

The previous prime is 33472073119. The next prime is 33472073149. The reversal of 33472073138 is 83137027433.

It is a happy number.

It is a super-2 number, since 2×33472073138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33472073095 and 33472073104.

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, 680420 + ... + 727952.

It is an arithmetic number, because the mean of its divisors is an integer number (1809619380).

Almost surely, 2^33472073138 is an apocalyptic number.

33472073138 is a deficient number, since it is larger than the sum of its proper divisors (24435747022).

33472073138 is a wasteful number, since it uses less digits than its factorization.

33472073138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48002.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 33472073138 in words is "thirty-three billion, four hundred seventy-two million, seventy-three thousand, one hundred thirty-eight".