75033378 has 80 divisors (see below), whose sum is σ = 194033664. Its totient is φ = 21228480.

The previous prime is 75033377. The next prime is 75033379. The reversal of 75033378 is 87333057.

It is an interprime number because it is at equal distance from previous prime (75033377) and next prime (75033379).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75033377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143758 + ... + 144278.

Almost surely, 2^75033378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75033378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97016832).

75033378 is an abundant number, since it is smaller than the sum of its proper divisors (119000286).

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

75033378 is a wasteful number, since it uses less digits than its factorization.

75033378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 75033378 is about 8662.1809032137. The cubic root of 75033378 is about 421.7788835848.

The spelling of 75033378 in words is "seventy-five million, thirty-three thousand, three hundred seventy-eight".