75661701 has 8 divisors (see below), whose sum is σ = 100942944. Its totient is φ = 50410800.

The previous prime is 75661673. The next prime is 75661711. The reversal of 75661701 is 10716657.

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

It is not a de Polignac number, because 75661701 - 2¹⁸ = 75399557 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75661711) 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, 931 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (12617868).

Almost surely, 2^75661701 is an apocalyptic number.

It is an amenable number.

75661701 is a deficient number, since it is larger than the sum of its proper divisors (25281243).

75661701 is a wasteful number, since it uses less digits than its factorization.

75661701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 75661701 is about 8698.3734686434. The cubic root of 75661701 is about 422.9529258123.

The spelling of 75661701 in words is "seventy-five million, six hundred sixty-one thousand, seven hundred one".