74077481 has 2 divisors, whose sum is σ = 74077482. Its totient is φ = 74077480.

The previous prime is 74077477. The next prime is 74077567. The reversal of 74077481 is 18477047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 1401856 = 8525^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 74077481 - 2² = 74077477 is a prime.

It is a super-2 number, since 2×74077481² = 10974946382610722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74076481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37038740 + 37038741.

It is an arithmetic number, because the mean of its divisors is an integer number (37038741).

Almost surely, 2^74077481 is an apocalyptic number.

It is an amenable number.

74077481 is a deficient number, since it is larger than the sum of its proper divisors (1).

74077481 is an equidigital number, since it uses as much as digits as its factorization.

74077481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 74077481 is about 8606.8275804735. The cubic root of 74077481 is about 419.9801218861.

The spelling of 74077481 in words is "seventy-four million, seventy-seven thousand, four hundred eighty-one".