74488287758381 has 8 divisors (see below), whose sum is σ = 85191474263424. Its totient is φ = 63800601888240.

The previous prime is 74488287758369. The next prime is 74488287758393. The reversal of 74488287758381 is 18385778288447.

It is an interprime number because it is at equal distance from previous prime (74488287758369) and next prime (74488287758393).

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

It is not a de Polignac number, because 74488287758381 - 2²⁶ = 74488220649517 is a prime.

It is a super-2 number, since 2×74488287758381² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74488287758296 and 74488287758305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74488287658381) 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, 3875148425 + ... + 3875167646.

It is an arithmetic number, because the mean of its divisors is an integer number (10648934282928).

Almost surely, 2^{74488287758381} is an apocalyptic number.

It is an amenable number.

74488287758381 is a deficient number, since it is larger than the sum of its proper divisors (10703186505043).

74488287758381 is a wasteful number, since it uses less digits than its factorization.

74488287758381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750317451.

The product of its digits is 5394923520, while the sum is 80.

The spelling of 74488287758381 in words is "seventy-four trillion, four hundred eighty-eight billion, two hundred eighty-seven million, seven hundred fifty-eight thousand, three hundred eighty-one".