75655607 has 4 divisors (see below), whose sum is σ = 76505760. Its totient is φ = 74805456.

The previous prime is 75655583. The next prime is 75655609. The reversal of 75655607 is 70655657.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70655657 = 241 ⋅293177.

It is a cyclic number.

It is not a de Polignac number, because 75655607 - 2¹⁶ = 75590071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75655609) 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, 424943 + ... + 425120.

It is an arithmetic number, because the mean of its divisors is an integer number (19126440).

Almost surely, 2^75655607 is an apocalyptic number.

75655607 is a deficient number, since it is larger than the sum of its proper divisors (850153).

75655607 is an equidigital number, since it uses as much as digits as its factorization.

75655607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850152.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 75655607 is about 8698.0231662143. The cubic root of 75655607 is about 422.9415702463.

The spelling of 75655607 in words is "seventy-five million, six hundred fifty-five thousand, six hundred seven".