74504977937 has 8 divisors (see below), whose sum is σ = 84955902696. Its totient is φ = 64728306432.

The previous prime is 74504977919. The next prime is 74504977957. The reversal of 74504977937 is 73977940547.

It is a Cunningham number, because it is equal to 272956²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 74504977936 = 1^2 + 272956^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74504977937 - 2¹⁰ = 74504976913 is a prime.

It is a super-4 number, since 4×74504977937⁴ (a number of 45 digits) contains 4444 as substring.

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 74504977937.

It is not an unprimeable number, because it can be changed into a prime (74504977907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168563078 + ... + 168563519.

It is an arithmetic number, because the mean of its divisors is an integer number (10619487837).

Almost surely, 2^74504977937 is an apocalyptic number.

It is an amenable number.

74504977937 is a deficient number, since it is larger than the sum of its proper divisors (10450924759).

74504977937 is a wasteful number, since it uses less digits than its factorization.

74504977937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337126627.

The product of its (nonzero) digits is 46675440, while the sum is 62.

The spelling of 74504977937 in words is "seventy-four billion, five hundred four million, nine hundred seventy-seven thousand, nine hundred thirty-seven".