37142047 has 2 divisors, whose sum is σ = 37142048. Its totient is φ = 37142046.

The previous prime is 37142041. The next prime is 37142057. The reversal of 37142047 is 74024173.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37142047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37142041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18571023 + 18571024.

It is an arithmetic number, because the mean of its divisors is an integer number (18571024).

Almost surely, 2^37142047 is an apocalyptic number.

37142047 is a deficient number, since it is larger than the sum of its proper divisors (1).

37142047 is an equidigital number, since it uses as much as digits as its factorization.

37142047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 37142047 is about 6094.4275366928. The cubic root of 37142047 is about 333.6480659588.

The spelling of 37142047 in words is "thirty-seven million, one hundred forty-two thousand, forty-seven".