42993007 has 2 divisors, whose sum is σ = 42993008. Its totient is φ = 42993006.

The previous prime is 42992987. The next prime is 42993011. The reversal of 42993007 is 70039924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42993007 - 2⁷ = 42992879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42993047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21496503 + 21496504.

It is an arithmetic number, because the mean of its divisors is an integer number (21496504).

Almost surely, 2^42993007 is an apocalyptic number.

42993007 is a deficient number, since it is larger than the sum of its proper divisors (1).

42993007 is an equidigital number, since it uses as much as digits as its factorization.

42993007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 42993007 is about 6556.9052913703. The cubic root of 42993007 is about 350.3208133326.

The spelling of 42993007 in words is "forty-two million, nine hundred ninety-three thousand, seven".