75474282 has 32 divisors (see below), whose sum is σ = 164017728. Its totient is φ = 23014656.

The previous prime is 75474281. The next prime is 75474299. The reversal of 75474282 is 28247457.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 75474282.

It is not an unprimeable number, because it can be changed into a prime (75474281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (5125554).

Almost surely, 2^75474282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75474282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82008864).

75474282 is an abundant number, since it is smaller than the sum of its proper divisors (88543446).

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

75474282 is a wasteful number, since it uses less digits than its factorization.

75474282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694.

The product of its digits is 125440, while the sum is 39.

The square root of 75474282 is about 8687.5935678414. The cubic root of 75474282 is about 422.6034096748.

The spelling of 75474282 in words is "seventy-five million, four hundred seventy-four thousand, two hundred eighty-two".