33748397790 has 64 divisors (see below), whose sum is σ = 86386803264. Its totient is φ = 8408342528.

The previous prime is 33748397779. The next prime is 33748397791. The reversal of 33748397790 is 9779384733.

It is a super-2 number, since 2×33748397790² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33748397791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171639 + ... + 311378.

It is an arithmetic number, because the mean of its divisors is an integer number (1349793801).

Almost surely, 2^33748397790 is an apocalyptic number.

33748397790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33748397790 is an abundant number, since it is smaller than the sum of its proper divisors (52638405474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33748397790 is a wasteful number, since it uses less digits than its factorization.

33748397790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483181.

The product of its (nonzero) digits is 24004512, while the sum is 60.

The spelling of 33748397790 in words is "thirty-three billion, seven hundred forty-eight million, three hundred ninety-seven thousand, seven hundred ninety".