73642007 has 2 divisors, whose sum is σ = 73642008. Its totient is φ = 73642006.

The previous prime is 73641989. The next prime is 73642031. The reversal of 73642007 is 70024637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73642007 - 2¹⁸ = 73379863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73642087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36821003 + 36821004.

It is an arithmetic number, because the mean of its divisors is an integer number (36821004).

Almost surely, 2^73642007 is an apocalyptic number.

73642007 is a deficient number, since it is larger than the sum of its proper divisors (1).

73642007 is an equidigital number, since it uses as much as digits as its factorization.

73642007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 73642007 is about 8581.4921196724. The cubic root of 73642007 is about 419.1555349005.

The spelling of 73642007 in words is "seventy-three million, six hundred forty-two thousand, seven".