75007099 has 4 divisors (see below), whose sum is σ = 75069360. Its totient is φ = 74944840.

The previous prime is 75007087. The next prime is 75007129. The reversal of 75007099 is 99070057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99070057 = 857 ⋅115601.

It is a cyclic number.

It is not a de Polignac number, because 75007099 - 2⁵ = 75007067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75007019) 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 3 ways as a sum of consecutive naturals, for example, 29287 + ... + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (18767340).

Almost surely, 2^75007099 is an apocalyptic number.

75007099 is a deficient number, since it is larger than the sum of its proper divisors (62261).

75007099 is a wasteful number, since it uses less digits than its factorization.

75007099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62260.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 75007099 is about 8660.6638891023. The cubic root of 75007099 is about 421.7296378500.

The spelling of 75007099 in words is "seventy-five million, seven thousand, ninety-nine".