74813761 has 8 divisors (see below), whose sum is σ = 81850464. Its totient is φ = 67816320.

The previous prime is 74813759. The next prime is 74813777. The reversal of 74813761 is 16731847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74813761 - 2¹ = 74813759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74813761.

It is not an unprimeable number, because it can be changed into a prime (74813731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5751 + ... + 13516.

It is an arithmetic number, because the mean of its divisors is an integer number (10231308).

Almost surely, 2^74813761 is an apocalyptic number.

It is an amenable number.

74813761 is a deficient number, since it is larger than the sum of its proper divisors (7036703).

74813761 is a wasteful number, since it uses less digits than its factorization.

74813761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631.

The product of its digits is 28224, while the sum is 37.

The square root of 74813761 is about 8649.4948407407. The cubic root of 74813761 is about 421.3669765275.

The spelling of 74813761 in words is "seventy-four million, eight hundred thirteen thousand, seven hundred sixty-one".