37403489 has 2 divisors, whose sum is σ = 37403490. Its totient is φ = 37403488.

The previous prime is 37403479. The next prime is 37403537. The reversal of 37403489 is 98430473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34869025 + 2534464 = 5905^2 + 1592^2 .

It is an emirp because it is prime and its reverse (98430473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37403489 - 2¹² = 37399393 is a prime.

It is not a weakly prime, because it can be changed into another prime (37403479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18701744 + 18701745.

It is an arithmetic number, because the mean of its divisors is an integer number (18701745).

Almost surely, 2^37403489 is an apocalyptic number.

It is an amenable number.

37403489 is a deficient number, since it is larger than the sum of its proper divisors (1).

37403489 is an equidigital number, since it uses as much as digits as its factorization.

37403489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 37403489 is about 6115.8391901684. The cubic root of 37403489 is about 334.4290832715.

The spelling of 37403489 in words is "thirty-seven million, four hundred three thousand, four hundred eighty-nine".