74936761 has 4 divisors (see below), whose sum is σ = 75258612. Its totient is φ = 74614912.

The previous prime is 74936713. The next prime is 74936767. The reversal of 74936761 is 16763947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16763947 = 19 ⋅882313.

It can be written as a sum of positive squares in 2 ways, for example, as 24810361 + 50126400 = 4981^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 74936761 - 2⁹ = 74936249 is a prime.

It is a super-2 number, since 2×74936761² = 11231036298342242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74936767) 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, 160576 + ... + 161041.

It is an arithmetic number, because the mean of its divisors is an integer number (18814653).

Almost surely, 2^74936761 is an apocalyptic number.

It is an amenable number.

74936761 is a deficient number, since it is larger than the sum of its proper divisors (321851).

74936761 is a wasteful number, since it uses less digits than its factorization.

74936761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321850.

The product of its digits is 190512, while the sum is 43.

The square root of 74936761 is about 8656.6021625116. The cubic root of 74936761 is about 421.5977707918.

The spelling of 74936761 in words is "seventy-four million, nine hundred thirty-six thousand, seven hundred sixty-one".