75940540 has 24 divisors (see below), whose sum is σ = 171743040. Its totient is φ = 28039488.

The previous prime is 75940507. The next prime is 75940597. The reversal of 75940540 is 4504957.

It is a junction number, because it is equal to n+sod(n) for n = 75940496 and 75940505.

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, 145780 + ... + 146299.

It is an arithmetic number, because the mean of its divisors is an integer number (7155960).

Almost surely, 2^75940540 is an apocalyptic number.

It is an amenable number.

75940540 is an abundant number, since it is smaller than the sum of its proper divisors (95802500).

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

75940540 is a wasteful number, since it uses less digits than its factorization.

75940540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292101 (or 292099 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 75940540 is about 8714.3869549154. The cubic root of 75940540 is about 423.4718637843.

The spelling of 75940540 in words is "seventy-five million, nine hundred forty thousand, five hundred forty".