75550761 has 48 divisors (see below), whose sum is σ = 131040000. Its totient is φ = 41333760.

The previous prime is 75550753. The next prime is 75550789. The reversal of 75550761 is 16705557.

It is not a de Polignac number, because 75550761 - 2³ = 75550753 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75550711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59865 + ... + 61113.

It is an arithmetic number, because the mean of its divisors is an integer number (2730000).

Almost surely, 2^75550761 is an apocalyptic number.

It is an amenable number.

75550761 is a deficient number, since it is larger than the sum of its proper divisors (55489239).

75550761 is a wasteful number, since it uses less digits than its factorization.

75550761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 75550761 is about 8691.9940750095. The cubic root of 75550761 is about 422.7461045311.

The spelling of 75550761 in words is "seventy-five million, five hundred fifty thousand, seven hundred sixty-one".