75735145 has 16 divisors (see below), whose sum is σ = 93078720. Its totient is φ = 59136064.

The previous prime is 75735103. The next prime is 75735181. The reversal of 75735145 is 54153757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75735145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59526 + ... + 60784.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^75735145 is an apocalyptic number.

It is an amenable number.

75735145 is a deficient number, since it is larger than the sum of its proper divisors (17343575).

75735145 is a wasteful number, since it uses less digits than its factorization.

75735145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 73500, while the sum is 37.

The square root of 75735145 is about 8702.5941534694. The cubic root of 75735145 is about 423.0897335091.

The spelling of 75735145 in words is "seventy-five million, seven hundred thirty-five thousand, one hundred forty-five".