75150766 has 4 divisors (see below), whose sum is σ = 112726152. Its totient is φ = 37575382.

The previous prime is 75150749. The next prime is 75150769. The reversal of 75150766 is 66705157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66705157 = 1973 ⋅33809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75150769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18787690 + ... + 18787693.

It is an arithmetic number, because the mean of its divisors is an integer number (28181538).

Almost surely, 2^75150766 is an apocalyptic number.

75150766 is a deficient number, since it is larger than the sum of its proper divisors (37575386).

75150766 is a wasteful number, since it uses less digits than its factorization.

75150766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37575385.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 75150766 is about 8668.9541468392. The cubic root of 75150766 is about 421.9987234450.

The spelling of 75150766 in words is "seventy-five million, one hundred fifty thousand, seven hundred sixty-six".