33493772 has 18 divisors (see below), whose sum is σ = 63470988. Its totient is φ = 15458352.

The previous prime is 33493717. The next prime is 33493777. The reversal of 33493772 is 27739433.

It is a happy number.

It is a super-2 number, since 2×33493772² = 2243665525575968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33493777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24098 + ... + 25449.

It is an arithmetic number, because the mean of its divisors is an integer number (3526166).

Almost surely, 2^33493772 is an apocalyptic number.

It is an amenable number.

33493772 is a deficient number, since it is larger than the sum of its proper divisors (29977216).

33493772 is a wasteful number, since it uses less digits than its factorization.

33493772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49577 (or 49562 counting only the distinct ones).

The product of its digits is 95256, while the sum is 38.

The square root of 33493772 is about 5787.3804091316. The cubic root of 33493772 is about 322.3453081003.

The spelling of 33493772 in words is "thirty-three million, four hundred ninety-three thousand, seven hundred seventy-two".