75497808 has 20 divisors (see below), whose sum is σ = 195036128. Its totient is φ = 25165920.

The previous prime is 75497801. The next prime is 75497819. The reversal of 75497808 is 80879457.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1572871 = 75497808 / (7 + 5 + 4 + 9 + 7 + 8 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75497801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786388 + ... + 786483.

Almost surely, 2^75497808 is an apocalyptic number.

It is an amenable number.

75497808 is an abundant number, since it is smaller than the sum of its proper divisors (119538320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75497808 is a wasteful number, since it uses less digits than its factorization.

75497808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572882 (or 1572876 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 75497808 is about 8688.9474621498. The cubic root of 75497808 is about 422.6473148511.

The spelling of 75497808 in words is "seventy-five million, four hundred ninety-seven thousand, eight hundred eight".