75740506 has 8 divisors (see below), whose sum is σ = 114735924. Its totient is φ = 37495200.

The previous prime is 75740473. The next prime is 75740507. The reversal of 75740506 is 60504757.

It can be written as a sum of positive squares in 2 ways, for example, as 75533481 + 207025 = 8691^2 + 455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75740507) 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 3 ways as a sum of consecutive naturals, for example, 187275 + ... + 187678.

Almost surely, 2^75740506 is an apocalyptic number.

75740506 is a deficient number, since it is larger than the sum of its proper divisors (38995418).

75740506 is a wasteful number, since it uses less digits than its factorization.

75740506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375056.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 75740506 is about 8702.9021596247. The cubic root of 75740506 is about 423.0997162393.

The spelling of 75740506 in words is "seventy-five million, seven hundred forty thousand, five hundred six".