33973497 has 24 divisors (see below), whose sum is σ = 52237224. Its totient is φ = 21202944.

The previous prime is 33973481. The next prime is 33973517. The reversal of 33973497 is 79437933.

It can be written as a sum of positive squares in 4 ways, for example, as 3767481 + 30206016 = 1941^2 + 5496^2 .

It is not a de Polignac number, because 33973497 - 2⁴ = 33973481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33973097) 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, 35173 + ... + 36125.

It is an arithmetic number, because the mean of its divisors is an integer number (2176551).

Almost surely, 2^33973497 is an apocalyptic number.

It is an amenable number.

33973497 is a deficient number, since it is larger than the sum of its proper divisors (18263727).

33973497 is a wasteful number, since it uses less digits than its factorization.

33973497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

The product of its digits is 428652, while the sum is 45.

The square root of 33973497 is about 5828.6788382960. The cubic root of 33973497 is about 323.8769823333.

The spelling of 33973497 in words is "thirty-three million, nine hundred seventy-three thousand, four hundred ninety-seven".