75427040 has 48 divisors (see below), whose sum is σ = 191909088. Its totient is φ = 27849216.

The previous prime is 75427013. The next prime is 75427069. The reversal of 75427040 is 4072457.

It is a junction number, because it is equal to n+sod(n) for n = 75426994 and 75427012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16052 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (3998106).

Almost surely, 2^75427040 is an apocalyptic number.

It is an amenable number.

75427040 is an abundant number, since it is smaller than the sum of its proper divisors (116482048).

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

75427040 is a wasteful number, since it uses less digits than its factorization.

75427040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291 (or 36283 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 75427040 is about 8684.8742074943. The cubic root of 75427040 is about 422.5152171731.

Adding to 75427040 its reverse (4072457), we get a palindrome (79499497).

The spelling of 75427040 in words is "seventy-five million, four hundred twenty-seven thousand, forty".