75347349 has 48 divisors (see below), whose sum is σ = 135038016. Its totient is φ = 36825600.

The previous prime is 75347347. The next prime is 75347353. The reversal of 75347349 is 94374357.

It is not a de Polignac number, because 75347349 - 2¹ = 75347347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75347349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75347347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26119 + ... + 28859.

It is an arithmetic number, because the mean of its divisors is an integer number (2813292).

Almost surely, 2^75347349 is an apocalyptic number.

It is an amenable number.

75347349 is a deficient number, since it is larger than the sum of its proper divisors (59690667).

75347349 is a wasteful number, since it uses less digits than its factorization.

75347349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2779 counting only the distinct ones).

The product of its digits is 317520, while the sum is 42.

The square root of 75347349 is about 8680.2850759638. The cubic root of 75347349 is about 422.3663646079.

The spelling of 75347349 in words is "seventy-five million, three hundred forty-seven thousand, three hundred forty-nine".