74475751 has 8 divisors (see below), whose sum is σ = 85169664. Its totient is φ = 63795480.

The previous prime is 74475697. The next prime is 74475757. The reversal of 74475751 is 15757447.

It is a happy number.

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

It is not a de Polignac number, because 74475751 - 2⁹ = 74475239 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74475757) 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 7 ways as a sum of consecutive naturals, for example, 14766 + ... + 19156.

It is an arithmetic number, because the mean of its divisors is an integer number (10646208).

Almost surely, 2^74475751 is an apocalyptic number.

74475751 is a deficient number, since it is larger than the sum of its proper divisors (10693913).

74475751 is a wasteful number, since it uses less digits than its factorization.

74475751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821.

The product of its digits is 137200, while the sum is 40.

The square root of 74475751 is about 8629.9334296390. The cubic root of 74475751 is about 420.7314370907.

The spelling of 74475751 in words is "seventy-four million, four hundred seventy-five thousand, seven hundred fifty-one".