74061497 has 4 divisors (see below), whose sum is σ = 74161920. Its totient is φ = 73961076.

The previous prime is 74061413. The next prime is 74061509. The reversal of 74061497 is 79416047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74061497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74061497.

It is not an unprimeable number, because it can be changed into a prime (74061397) 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 in 3 ways as a sum of consecutive naturals, for example, 49097 + ... + 50582.

It is an arithmetic number, because the mean of its divisors is an integer number (18540480).

Almost surely, 2^74061497 is an apocalyptic number.

It is an amenable number.

74061497 is a deficient number, since it is larger than the sum of its proper divisors (100423).

74061497 is an equidigital number, since it uses as much as digits as its factorization.

74061497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100422.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74061497 is about 8605.8989652447. The cubic root of 74061497 is about 419.9499127723.

The spelling of 74061497 in words is "seventy-four million, sixty-one thousand, four hundred ninety-seven".