75864299 has 6 divisors (see below), whose sum is σ = 88250364. Its totient is φ = 65026500.

The previous prime is 75864293. The next prime is 75864307. The reversal of 75864299 is 99246857.

It is a happy number.

It is not a de Polignac number, because 75864299 - 2¹² = 75860203 is a prime.

It is a super-2 number, since 2×75864299² = 11510783725522802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75864293) 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 5 ways as a sum of consecutive naturals, for example, 774077 + ... + 774174.

It is an arithmetic number, because the mean of its divisors is an integer number (14708394).

Almost surely, 2^75864299 is an apocalyptic number.

75864299 is a deficient number, since it is larger than the sum of its proper divisors (12386065).

75864299 is a wasteful number, since it uses less digits than its factorization.

75864299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548265 (or 1548258 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 75864299 is about 8710.0114236435. The cubic root of 75864299 is about 423.3301005533.

The spelling of 75864299 in words is "seventy-five million, eight hundred sixty-four thousand, two hundred ninety-nine".