33940071 has 24 divisors (see below), whose sum is σ = 55211520. Its totient is φ = 19904400.

The previous prime is 33940069. The next prime is 33940091. The reversal of 33940071 is 17004933.

It is not a de Polignac number, because 33940071 - 2¹ = 33940069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33940001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2461 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (2300480).

Almost surely, 2^33940071 is an apocalyptic number.

33940071 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

33940071 is a deficient number, since it is larger than the sum of its proper divisors (21271449).

33940071 is a wasteful number, since it uses less digits than its factorization.

33940071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107 (or 11104 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 33940071 is about 5825.8107590275. The cubic root of 33940071 is about 323.7707282883.

The spelling of 33940071 in words is "thirty-three million, nine hundred forty thousand, seventy-one".