75694349 has 4 divisors (see below), whose sum is σ = 76443900. Its totient is φ = 74944800.

The previous prime is 75694331. The next prime is 75694361. The reversal of 75694349 is 94349657.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51122500 + 24571849 = 7150^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 75694349 - 2⁸ = 75694093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75694369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374624 + ... + 374825.

It is an arithmetic number, because the mean of its divisors is an integer number (19110975).

Almost surely, 2^75694349 is an apocalyptic number.

It is an amenable number.

75694349 is a deficient number, since it is larger than the sum of its proper divisors (749551).

75694349 is a wasteful number, since it uses less digits than its factorization.

75694349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749550.

The product of its digits is 816480, while the sum is 47.

The square root of 75694349 is about 8700.2499389385. The cubic root of 75694349 is about 423.0137517489.

The spelling of 75694349 in words is "seventy-five million, six hundred ninety-four thousand, three hundred forty-nine".