74432663 has 2 divisors, whose sum is σ = 74432664. Its totient is φ = 74432662.

The previous prime is 74432653. The next prime is 74432711. The reversal of 74432663 is 36623447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74432663 - 2¹⁸ = 74170519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74432653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37216331 + 37216332.

It is an arithmetic number, because the mean of its divisors is an integer number (37216332).

Almost surely, 2^74432663 is an apocalyptic number.

74432663 is a deficient number, since it is larger than the sum of its proper divisors (1).

74432663 is an equidigital number, since it uses as much as digits as its factorization.

74432663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 74432663 is about 8627.4366413205. The cubic root of 74432663 is about 420.6502832784.

The spelling of 74432663 in words is "seventy-four million, four hundred thirty-two thousand, six hundred sixty-three".