75455349 has 8 divisors (see below), whose sum is σ = 101880960. Its totient is φ = 49666656.

The previous prime is 75455309. The next prime is 75455363. The reversal of 75455349 is 94355457.

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

It is not a de Polignac number, because 75455349 - 2⁷ = 75455221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75455349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75455309) 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, 158952 + ... + 159425.

It is an arithmetic number, because the mean of its divisors is an integer number (12735120).

Almost surely, 2^75455349 is an apocalyptic number.

75455349 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

75455349 is a deficient number, since it is larger than the sum of its proper divisors (26425611).

75455349 is a wasteful number, since it uses less digits than its factorization.

75455349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318459.

The product of its digits is 378000, while the sum is 42.

The square root of 75455349 is about 8686.5038421680. The cubic root of 75455349 is about 422.5680695154.

The spelling of 75455349 in words is "seventy-five million, four hundred fifty-five thousand, three hundred forty-nine".