75871345 has 32 divisors (see below), whose sum is σ = 102435840. Its totient is φ = 53480640.

The previous prime is 75871331. The next prime is 75871387. The reversal of 75871345 is 54317857.

It is not a de Polignac number, because 75871345 - 2⁹ = 75870833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75871298 and 75871307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334122 + ... + 334348.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2^75871345 is an apocalyptic number.

It is an amenable number.

75871345 is a deficient number, since it is larger than the sum of its proper divisors (26564495).

75871345 is a wasteful number, since it uses less digits than its factorization.

75871345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its digits is 117600, while the sum is 40.

The square root of 75871345 is about 8710.4158913338. The cubic root of 75871345 is about 423.3432059339.

The spelling of 75871345 in words is "seventy-five million, eight hundred seventy-one thousand, three hundred forty-five".