74126737 has 2 divisors, whose sum is σ = 74126738. Its totient is φ = 74126736.

The previous prime is 74126713. The next prime is 74126777. The reversal of 74126737 is 73762147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42497361 + 31629376 = 6519^2 + 5624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74126737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74126696 and 74126705.

It is not a weakly prime, because it can be changed into another prime (74126707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37063368 + 37063369.

It is an arithmetic number, because the mean of its divisors is an integer number (37063369).

Almost surely, 2^74126737 is an apocalyptic number.

It is an amenable number.

74126737 is a deficient number, since it is larger than the sum of its proper divisors (1).

74126737 is an equidigital number, since it uses as much as digits as its factorization.

74126737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 37.

The square root of 74126737 is about 8609.6885541813. The cubic root of 74126737 is about 420.0731864148.

The spelling of 74126737 in words is "seventy-four million, one hundred twenty-six thousand, seven hundred thirty-seven".