61867007 has 2 divisors, whose sum is σ = 61867008. Its totient is φ = 61867006.

The previous prime is 61866971. The next prime is 61867027. The reversal of 61867007 is 70076816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61867007 - 2⁶ = 61866943 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 (61867027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30933503 + 30933504.

It is an arithmetic number, because the mean of its divisors is an integer number (30933504).

Almost surely, 2^61867007 is an apocalyptic number.

61867007 is a deficient number, since it is larger than the sum of its proper divisors (1).

61867007 is an equidigital number, since it uses as much as digits as its factorization.

61867007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 61867007 is about 7865.5582764353. The cubic root of 61867007 is about 395.5059627463.

The spelling of 61867007 in words is "sixty-one million, eight hundred sixty-seven thousand, seven".