74760761 has 4 divisors (see below), whose sum is σ = 74781300. Its totient is φ = 74740224.

The previous prime is 74760737. The next prime is 74760769. The reversal of 74760761 is 16706747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16706747 = 43 ⋅388529.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 72675625 = 1444^2 + 8525^2 .

It is a cyclic number.

It is not a de Polignac number, because 74760761 - 2¹⁴ = 74744377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74760769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176 + ... + 12633.

It is an arithmetic number, because the mean of its divisors is an integer number (18695325).

Almost surely, 2^74760761 is an apocalyptic number.

It is an amenable number.

74760761 is a deficient number, since it is larger than the sum of its proper divisors (20539).

74760761 is a wasteful number, since it uses less digits than its factorization.

74760761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 74760761 is about 8646.4305351977. The cubic root of 74760761 is about 421.2674506062.

The spelling of 74760761 in words is "seventy-four million, seven hundred sixty thousand, seven hundred sixty-one".