75920417 has 8 divisors (see below), whose sum is σ = 77692200. Its totient is φ = 74165760.

The previous prime is 75920393. The next prime is 75920423. The reversal of 75920417 is 71402957.

It can be written as a sum of positive squares in 4 ways, for example, as 160801 + 75759616 = 401^2 + 8704^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75920417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75920497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (9711525).

Almost surely, 2^75920417 is an apocalyptic number.

It is an amenable number.

75920417 is a deficient number, since it is larger than the sum of its proper divisors (1771783).

75920417 is a wasteful number, since it uses less digits than its factorization.

75920417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 75920417 is about 8713.2322934718. The cubic root of 75920417 is about 423.4344561093.

The spelling of 75920417 in words is "seventy-five million, nine hundred twenty thousand, four hundred seventeen".