63672407 has 2 divisors, whose sum is σ = 63672408. Its totient is φ = 63672406.

The previous prime is 63672397. The next prime is 63672409. The reversal of 63672407 is 70427636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63672407 - 2⁴ = 63672391 is a prime.

Together with 63672409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63672409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31836203 + 31836204.

It is an arithmetic number, because the mean of its divisors is an integer number (31836204).

Almost surely, 2^63672407 is an apocalyptic number.

63672407 is a deficient number, since it is larger than the sum of its proper divisors (1).

63672407 is an equidigital number, since it uses as much as digits as its factorization.

63672407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 63672407 is about 7979.4991697474. The cubic root of 63672407 is about 399.3163467948.

The spelling of 63672407 in words is "sixty-three million, six hundred seventy-two thousand, four hundred seven".