74700037 has 2 divisors, whose sum is σ = 74700038. Its totient is φ = 74700036.

The previous prime is 74700019. The next prime is 74700053. The reversal of 74700037 is 73000747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69322276 + 5377761 = 8326^2 + 2319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74700037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74699978 and 74700014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74700007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37350018 + 37350019.

It is an arithmetic number, because the mean of its divisors is an integer number (37350019).

Almost surely, 2^74700037 is an apocalyptic number.

It is an amenable number.

74700037 is a deficient number, since it is larger than the sum of its proper divisors (1).

74700037 is an equidigital number, since it uses as much as digits as its factorization.

74700037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 74700037 is about 8642.9183150137. The cubic root of 74700037 is about 421.1533623534.

The spelling of 74700037 in words is "seventy-four million, seven hundred thousand, thirty-seven".