75161087 has 4 divisors (see below), whose sum is σ = 75264360. Its totient is φ = 75057816.

The previous prime is 75161083. The next prime is 75161101. The reversal of 75161087 is 78016157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78016157 = 137 ⋅569461.

It is a cyclic number.

It is not a de Polignac number, because 75161087 - 2² = 75161083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75161083) 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, 50537 + ... + 52002.

It is an arithmetic number, because the mean of its divisors is an integer number (18816090).

Almost surely, 2^75161087 is an apocalyptic number.

75161087 is a deficient number, since it is larger than the sum of its proper divisors (103273).

75161087 is a wasteful number, since it uses less digits than its factorization.

75161087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103272.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 75161087 is about 8669.5494115900. The cubic root of 75161087 is about 422.0180412763.

The spelling of 75161087 in words is "seventy-five million, one hundred sixty-one thousand, eighty-seven".