37920049 has 2 divisors, whose sum is σ = 37920050. Its totient is φ = 37920048.

The previous prime is 37920011. The next prime is 37920059. The reversal of 37920049 is 94002973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30603024 + 7317025 = 5532^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 37920049 - 2¹⁵ = 37887281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37919996 and 37920023.

It is not a weakly prime, because it can be changed into another prime (37920059) 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, 18960024 + 18960025.

It is an arithmetic number, because the mean of its divisors is an integer number (18960025).

Almost surely, 2^37920049 is an apocalyptic number.

It is an amenable number.

37920049 is a deficient number, since it is larger than the sum of its proper divisors (1).

37920049 is an equidigital number, since it uses as much as digits as its factorization.

37920049 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 37920049 is about 6157.9257059500. The cubic root of 37920049 is about 335.9615915328.

The spelling of 37920049 in words is "thirty-seven million, nine hundred twenty thousand, forty-nine".