63674407 has 2 divisors, whose sum is σ = 63674408. Its totient is φ = 63674406.

The previous prime is 63674383. The next prime is 63674411. The reversal of 63674407 is 70447636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63674407 - 2¹¹ = 63672359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63674437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31837203 + 31837204.

It is an arithmetic number, because the mean of its divisors is an integer number (31837204).

Almost surely, 2^63674407 is an apocalyptic number.

63674407 is a deficient number, since it is larger than the sum of its proper divisors (1).

63674407 is an equidigital number, since it uses as much as digits as its factorization.

63674407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 63674407 is about 7979.6244899118. The cubic root of 63674407 is about 399.3205276970.

The spelling of 63674407 in words is "sixty-three million, six hundred seventy-four thousand, four hundred seven".