74720741 has 4 divisors (see below), whose sum is σ = 76310592. Its totient is φ = 73130892.

The previous prime is 74720731. The next prime is 74720743. The reversal of 74720741 is 14702747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74720741 - 2⁶ = 74720677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74720698 and 74720707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74720743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794855 + ... + 794948.

It is an arithmetic number, because the mean of its divisors is an integer number (19077648).

Almost surely, 2^74720741 is an apocalyptic number.

It is an amenable number.

74720741 is a deficient number, since it is larger than the sum of its proper divisors (1589851).

74720741 is a wasteful number, since it uses less digits than its factorization.

74720741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589850.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 74720741 is about 8644.1159756218. The cubic root of 74720741 is about 421.1922679734.

The spelling of 74720741 in words is "seventy-four million, seven hundred twenty thousand, seven hundred forty-one".