74661337 has 2 divisors, whose sum is σ = 74661338. Its totient is φ = 74661336.

The previous prime is 74661311. The next prime is 74661359. The reversal of 74661337 is 73316647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70913241 + 3748096 = 8421^2 + 1936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74661337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74661296 and 74661305.

It is not a weakly prime, because it can be changed into another prime (74668337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37330668 + 37330669.

It is an arithmetic number, because the mean of its divisors is an integer number (37330669).

Almost surely, 2^74661337 is an apocalyptic number.

It is an amenable number.

74661337 is a deficient number, since it is larger than the sum of its proper divisors (1).

74661337 is an equidigital number, since it uses as much as digits as its factorization.

74661337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

The square root of 74661337 is about 8640.6791978409. The cubic root of 74661337 is about 421.0806205306.

The spelling of 74661337 in words is "seventy-four million, six hundred sixty-one thousand, three hundred thirty-seven".