75340646 has 4 divisors (see below), whose sum is σ = 113010972. Its totient is φ = 37670322.

The previous prime is 75340631. The next prime is 75340649. The reversal of 75340646 is 64604357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64604357 = 5737 ⋅11261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75340649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18835160 + ... + 18835163.

It is an arithmetic number, because the mean of its divisors is an integer number (28252743).

Almost surely, 2^75340646 is an apocalyptic number.

75340646 is a deficient number, since it is larger than the sum of its proper divisors (37670326).

75340646 is a wasteful number, since it uses less digits than its factorization.

75340646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37670325.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 75340646 is about 8679.8989625456. The cubic root of 75340646 is about 422.3538394793.

The spelling of 75340646 in words is "seventy-five million, three hundred forty thousand, six hundred forty-six".