37672949 has 2 divisors, whose sum is σ = 37672950. Its totient is φ = 37672948.

The previous prime is 37672939. The next prime is 37672963. The reversal of 37672949 is 94927673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26450449 + 11222500 = 5143^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 37672949 - 2⁴ = 37672933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37672939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18836474 + 18836475.

It is an arithmetic number, because the mean of its divisors is an integer number (18836475).

Almost surely, 2^37672949 is an apocalyptic number.

It is an amenable number.

37672949 is a deficient number, since it is larger than the sum of its proper divisors (1).

37672949 is an equidigital number, since it uses as much as digits as its factorization.

37672949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 37672949 is about 6137.8293394326. The cubic root of 37672949 is about 335.2302538231.

The spelling of 37672949 in words is "thirty-seven million, six hundred seventy-two thousand, nine hundred forty-nine".