75015075 has 24 divisors (see below), whose sum is σ = 129420288. Its totient is φ = 38267680.

The previous prime is 75015053. The next prime is 75015077. The reversal of 75015075 is 57051057.

It is not a de Polignac number, because 75015075 - 2⁶ = 75015011 is a prime.

It is a super-2 number, since 2×75015075² = 11254522954511250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75015077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20019 + ... + 23468.

It is an arithmetic number, because the mean of its divisors is an integer number (5392512).

Almost surely, 2^75015075 is an apocalyptic number.

75015075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75015075 is a deficient number, since it is larger than the sum of its proper divisors (54405213).

75015075 is a wasteful number, since it uses less digits than its factorization.

75015075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43523 (or 43518 counting only the distinct ones).

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 75015075 is about 8661.1243496442. The cubic root of 75015075 is about 421.7445857523.

The spelling of 75015075 in words is "seventy-five million, fifteen thousand, seventy-five".