75141765 has 12 divisors (see below), whose sum is σ = 130245804. Its totient is φ = 40075584.

The previous prime is 75141763. The next prime is 75141779. The reversal of 75141765 is 56714157.

It can be written as a sum of positive squares in 2 ways, for example, as 57426084 + 17715681 = 7578^2 + 4209^2 .

It is not a de Polignac number, because 75141765 - 2¹ = 75141763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75141763) 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, 834864 + ... + 834953.

It is an arithmetic number, because the mean of its divisors is an integer number (10853817).

Almost surely, 2^75141765 is an apocalyptic number.

It is an amenable number.

75141765 is a deficient number, since it is larger than the sum of its proper divisors (55104039).

75141765 is a wasteful number, since it uses less digits than its factorization.

75141765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669828 (or 1669825 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 75141765 is about 8668.4349798565. The cubic root of 75141765 is about 421.9818748158.

The spelling of 75141765 in words is "seventy-five million, one hundred forty-one thousand, seven hundred sixty-five".