74402663 has 2 divisors, whose sum is σ = 74402664. Its totient is φ = 74402662.

The previous prime is 74402641. The next prime is 74402687. The reversal of 74402663 is 36620447.

It is a weak prime.

It is an emirp because it is prime and its reverse (36620447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74402663 - 2¹² = 74398567 is a prime.

It is a super-2 number, since 2×74402663² = 11071512522983138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74402623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37201331 + 37201332.

It is an arithmetic number, because the mean of its divisors is an integer number (37201332).

Almost surely, 2^74402663 is an apocalyptic number.

74402663 is a deficient number, since it is larger than the sum of its proper divisors (1).

74402663 is an equidigital number, since it uses as much as digits as its factorization.

74402663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 74402663 is about 8625.6978268428. The cubic root of 74402663 is about 420.5937614782.

The spelling of 74402663 in words is "seventy-four million, four hundred two thousand, six hundred sixty-three".