75467649 has 8 divisors (see below), whose sum is σ = 101661280. Its totient is φ = 49792896.

The previous prime is 75467647. The next prime is 75467663. The reversal of 75467649 is 94676457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75467649 - 2¹ = 75467647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75467598 and 75467607.

It is not an unprimeable number, because it can be changed into a prime (75467647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129379 + ... + 129960.

It is an arithmetic number, because the mean of its divisors is an integer number (12707660).

Almost surely, 2^75467649 is an apocalyptic number.

It is an amenable number.

75467649 is a deficient number, since it is larger than the sum of its proper divisors (26193631).

75467649 is a wasteful number, since it uses less digits than its factorization.

75467649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259439.

The product of its digits is 1270080, while the sum is 48.

The square root of 75467649 is about 8687.2118081695. The cubic root of 75467649 is about 422.5910292522.

The spelling of 75467649 in words is "seventy-five million, four hundred sixty-seven thousand, six hundred forty-nine".