74126537 has 2 divisors, whose sum is σ = 74126538. Its totient is φ = 74126536.

The previous prime is 74126519. The next prime is 74126551. The reversal of 74126537 is 73562147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59845696 + 14280841 = 7736^2 + 3779^2 .

It is a cyclic number.

It is not a de Polignac number, because 74126537 - 2¹² = 74122441 is a prime.

It is a super-2 number, since 2×74126537² = 10989486975224738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74126497 and 74126506.

It is not a weakly prime, because it can be changed into another prime (74126737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37063268 + 37063269.

It is an arithmetic number, because the mean of its divisors is an integer number (37063269).

Almost surely, 2^74126537 is an apocalyptic number.

It is an amenable number.

74126537 is a deficient number, since it is larger than the sum of its proper divisors (1).

74126537 is an equidigital number, since it uses as much as digits as its factorization.

74126537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 74126537 is about 8609.6769393514. The cubic root of 74126537 is about 420.0728086172.

The spelling of 74126537 in words is "seventy-four million, one hundred twenty-six thousand, five hundred thirty-seven".