75044668 has 6 divisors (see below), whose sum is σ = 131328176. Its totient is φ = 37522332.

The previous prime is 75044659. The next prime is 75044677. The reversal of 75044668 is 86644057.

It is an interprime number because it is at equal distance from previous prime (75044659) and next prime (75044677).

It is a self number, because there is not a number n which added to its sum of digits gives 75044668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9380580 + ... + 9380587.

Almost surely, 2^75044668 is an apocalyptic number.

It is an amenable number.

75044668 is a deficient number, since it is larger than the sum of its proper divisors (56283508).

75044668 is a wasteful number, since it uses less digits than its factorization.

75044668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761171 (or 18761169 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 75044668 is about 8662.8325621589. The cubic root of 75044668 is about 421.8000370364.

The spelling of 75044668 in words is "seventy-five million, forty-four thousand, six hundred sixty-eight".