75081701 has 12 divisors (see below), whose sum is σ = 78679020. Its totient is φ = 71605440.

The previous prime is 75081691. The next prime is 75081703. The reversal of 75081701 is 10718057.

It can be written as a sum of positive squares in 2 ways, for example, as 19936225 + 55145476 = 4465^2 + 7426^2 .

It is not a de Polignac number, because 75081701 - 2¹⁴ = 75065317 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 (75081703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90155 + ... + 90983.

It is an arithmetic number, because the mean of its divisors is an integer number (6556585).

Almost surely, 2^75081701 is an apocalyptic number.

It is an amenable number.

75081701 is a deficient number, since it is larger than the sum of its proper divisors (3597319).

75081701 is an equidigital number, since it uses as much as digits as its factorization.

75081701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 75081701 is about 8664.9697633633. The cubic root of 75081701 is about 421.8694088404.

Adding to 75081701 its reverse (10718057), we get a palindrome (85799758).

The spelling of 75081701 in words is "seventy-five million, eighty-one thousand, seven hundred one".