74377 has 2 divisors, whose sum is σ = 74378. Its totient is φ = 74376.

The previous prime is 74363. The next prime is 74381. The reversal of 74377 is 77347.

74377 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41616 + 32761 = 204^2 + 181^2 .

It is an emirp because it is prime and its reverse (77347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74377 - 2¹⁵ = 41609 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (74317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37188 + 37189.

It is an arithmetic number, because the mean of its divisors is an integer number (37189).

2⁷⁴³⁷⁷ is an apocalyptic number.

It is an amenable number.

74377 is a deficient number, since it is larger than the sum of its proper divisors (1).

74377 is an equidigital number, since it uses as much as digits as its factorization.

74377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4116, while the sum is 28.

The square root of 74377 is about 272.7214696352. The cubic root of 74377 is about 42.0545398788.

It can be divided in two parts, 743 and 77, that added together give a triangular number (820 = T₄₀).

The spelling of 74377 in words is "seventy-four thousand, three hundred seventy-seven", and thus it is an iban number.