75150761 has 12 divisors (see below), whose sum is σ = 92563668. Its totient is φ = 60625152.

The previous prime is 75150749. The next prime is 75150769. The reversal of 75150761 is 16705157.

It can be written as a sum of positive squares in 2 ways, for example, as 62900761 + 12250000 = 7931^2 + 3500^2 .

It is not a de Polignac number, because 75150761 - 2²⁶ = 8041897 is a prime.

It is a Duffinian 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 in 11 ways as a sum of consecutive naturals, for example, 44276 + ... + 45941.

It is an arithmetic number, because the mean of its divisors is an integer number (7713639).

Almost surely, 2^75150761 is an apocalyptic number.

It is an amenable number.

75150761 is a deficient number, since it is larger than the sum of its proper divisors (17412907).

75150761 is a wasteful number, since it uses less digits than its factorization.

75150761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248 (or 90241 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 75150761 is about 8668.9538584537. The cubic root of 75150761 is about 421.9987140861.

The spelling of 75150761 in words is "seventy-five million, one hundred fifty thousand, seven hundred sixty-one".