42700037 has 2 divisors, whose sum is σ = 42700038. Its totient is φ = 42700036.

The previous prime is 42699997. The next prime is 42700057. The reversal of 42700037 is 73000724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 306916 = 6511^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 42700037 - 2⁸ = 42699781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42699985 and 42700021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42700057) 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, 21350018 + 21350019.

It is an arithmetic number, because the mean of its divisors is an integer number (21350019).

Almost surely, 2^42700037 is an apocalyptic number.

It is an amenable number.

42700037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42700037 is an equidigital number, since it uses as much as digits as its factorization.

42700037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 42700037 is about 6534.5265321980. The cubic root of 42700037 is about 349.5232611276.

The spelling of 42700037 in words is "forty-two million, seven hundred thousand, thirty-seven".