75661703 has 4 divisors (see below), whose sum is σ = 81481848. Its totient is φ = 69841560.

The previous prime is 75661673. The next prime is 75661711. The reversal of 75661703 is 30716657.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30716657 = 1249 ⋅24593.

It is a cyclic number.

It is not a de Polignac number, because 75661703 - 2¹⁴ = 75645319 is a prime.

It is a super-3 number, since 3×75661703³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75661603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910053 + ... + 2910078.

It is an arithmetic number, because the mean of its divisors is an integer number (20370462).

Almost surely, 2^75661703 is an apocalyptic number.

75661703 is a deficient number, since it is larger than the sum of its proper divisors (5820145).

75661703 is a wasteful number, since it uses less digits than its factorization.

75661703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820144.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 75661703 is about 8698.3735836075. The cubic root of 75661703 is about 422.9529295390.

The spelling of 75661703 in words is "seventy-five million, six hundred sixty-one thousand, seven hundred three".