74206375074737 has 8 divisors (see below), whose sum is σ = 75606650871336. Its totient is φ = 72806105037952.

The previous prime is 74206375074707. The next prime is 74206375074757. The reversal of 74206375074737 is 73747057360247.

It can be written as a sum of positive squares in 4 ways, for example, as 13141777775281 + 61064597299456 = 3625159^2 + 7814384^2 .

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 74206375074737 - 2¹⁴ = 74206375058353 is a prime.

It is a super-2 number, since 2×74206375074737² (a number of 29 digits) contains 22 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 74206375074737.

It is not an unprimeable number, because it can be changed into a prime (74206375074707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31697813 + ... + 33958269.

It is an arithmetic number, because the mean of its divisors is an integer number (9450831358917).

Almost surely, 2^{74206375074737} is an apocalyptic number.

It is an amenable number.

74206375074737 is a deficient number, since it is larger than the sum of its proper divisors (1400275796599).

74206375074737 is a wasteful number, since it uses less digits than its factorization.

74206375074737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879907.

The product of its (nonzero) digits is 145212480, while the sum is 62.

The spelling of 74206375074737 in words is "seventy-four trillion, two hundred six billion, three hundred seventy-five million, seventy-four thousand, seven hundred thirty-seven".