74401377 has 4 divisors (see below), whose sum is σ = 99201840. Its totient is φ = 49600916.

The previous prime is 74401363. The next prime is 74401387. The reversal of 74401377 is 77310447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77310447 = 3 ⋅25770149.

It is a cyclic number.

It is not a de Polignac number, because 74401377 - 2⁴ = 74401361 is a prime.

It is a super-2 number, since 2×74401377² = 11071129798992258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74401337) 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 3 ways as a sum of consecutive naturals, for example, 12400227 + ... + 12400232.

It is an arithmetic number, because the mean of its divisors is an integer number (24800460).

Almost surely, 2^74401377 is an apocalyptic number.

It is an amenable number.

74401377 is a deficient number, since it is larger than the sum of its proper divisors (24800463).

74401377 is a wasteful number, since it uses less digits than its factorization.

74401377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24800462.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 74401377 is about 8625.6232818272. The cubic root of 74401377 is about 420.5913382375.

The spelling of 74401377 in words is "seventy-four million, four hundred one thousand, three hundred seventy-seven".