75742101 has 8 divisors (see below), whose sum is σ = 112210560. Its totient is φ = 50494716.

The previous prime is 75742097. The next prime is 75742103. The reversal of 75742101 is 10124757.

It is not a de Polignac number, because 75742101 - 2² = 75742097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2805263 = 75742101 / (7 + 5 + 7 + 4 + 2 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75742103) 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, 1402605 + ... + 1402658.

It is an arithmetic number, because the mean of its divisors is an integer number (14026320).

Almost surely, 2^75742101 is an apocalyptic number.

It is an amenable number.

75742101 is a deficient number, since it is larger than the sum of its proper divisors (36468459).

75742101 is a wasteful number, since it uses less digits than its factorization.

75742101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805272 (or 2805266 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 75742101 is about 8702.9937952408. The cubic root of 75742101 is about 423.1026862014.

Adding to 75742101 its reverse (10124757), we get a palindrome (85866858).

The spelling of 75742101 in words is "seventy-five million, seven hundred forty-two thousand, one hundred one".