33872732 has 6 divisors (see below), whose sum is σ = 59277288. Its totient is φ = 16936364.

The previous prime is 33872719. The next prime is 33872737. The reversal of 33872732 is 23727833.

It is a super-2 number, since 2×33872732² = 2294723946287648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33872692 and 33872701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33872737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234088 + ... + 4234095.

It is an arithmetic number, because the mean of its divisors is an integer number (9879548).

Almost surely, 2^33872732 is an apocalyptic number.

It is an amenable number.

33872732 is a deficient number, since it is larger than the sum of its proper divisors (25404556).

33872732 is a wasteful number, since it uses less digits than its factorization.

33872732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468187 (or 8468185 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 33872732 is about 5820.0285222669. The cubic root of 33872732 is about 323.5564601051.

The spelling of 33872732 in words is "thirty-three million, eight hundred seventy-two thousand, seven hundred thirty-two".