37472143 has 2 divisors, whose sum is σ = 37472144. Its totient is φ = 37472142.

The previous prime is 37472137. The next prime is 37472153. The reversal of 37472143 is 34127473.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37472143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37472153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18736071 + 18736072.

It is an arithmetic number, because the mean of its divisors is an integer number (18736072).

Almost surely, 2^37472143 is an apocalyptic number.

37472143 is a deficient number, since it is larger than the sum of its proper divisors (1).

37472143 is an equidigital number, since it uses as much as digits as its factorization.

37472143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 37472143 is about 6121.4494198678. The cubic root of 37472143 is about 334.6335727599.

The spelling of 37472143 in words is "thirty-seven million, four hundred seventy-two thousand, one hundred forty-three".