75408296 has 8 divisors (see below), whose sum is σ = 141390570. Its totient is φ = 37704144.

The previous prime is 75408293. The next prime is 75408407. The reversal of 75408296 is 69280457.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 25140196 = 7090^2 + 5014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×75408296² = 11372822211247232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75408293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4713011 + ... + 4713026.

Almost surely, 2^75408296 is an apocalyptic number.

It is an amenable number.

75408296 is a deficient number, since it is larger than the sum of its proper divisors (65982274).

75408296 is a wasteful number, since it uses less digits than its factorization.

75408296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426043 (or 9426039 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 75408296 is about 8683.7950229148. The cubic root of 75408296 is about 422.4802152191.

The spelling of 75408296 in words is "seventy-five million, four hundred eight thousand, two hundred ninety-six".