1374440437 has 2 divisors, whose sum is σ = 1374440438. Its totient is φ = 1374440436.

The previous prime is 1374440401. The next prime is 1374440453. The reversal of 1374440437 is 7340444731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343515716 + 30924721 = 36654^2 + 5561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374440437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1374440396 and 1374440405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374440537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687220218 + 687220219.

It is an arithmetic number, because the mean of its divisors is an integer number (687220219).

Almost surely, 2^1374440437 is an apocalyptic number.

It is an amenable number.

1374440437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374440437 is an equidigital number, since it uses as much as digits as its factorization.

1374440437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 1374440437 is about 37073.4465217357. The cubic root of 1374440437 is about 1111.8391815486.

The spelling of 1374440437 in words is "one billion, three hundred seventy-four million, four hundred forty thousand, four hundred thirty-seven".