75146040 has 48 divisors (see below), whose sum is σ = 244225800. Its totient is φ = 20038848.

The previous prime is 75146039. The next prime is 75146051. The reversal of 75146040 is 4064157.

75146040 is a `hidden beast` number, since 7 + 51 + 4 + 604 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 75145995 and 75146013.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 104010 + ... + 104729.

Almost surely, 2^75146040 is an apocalyptic number.

It is an amenable number.

75146040 is an abundant number, since it is smaller than the sum of its proper divisors (169079760).

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

75146040 is a wasteful number, since it uses less digits than its factorization.

75146040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208756 (or 208749 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 75146040 is about 8668.6815606527. The cubic root of 75146040 is about 421.9898771933.

The spelling of 75146040 in words is "seventy-five million, one hundred forty-six thousand, forty".