74148929 has 2 divisors, whose sum is σ = 74148930. Its totient is φ = 74148928.

The previous prime is 74148923. The next prime is 74148953. The reversal of 74148929 is 92984147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 8862529 = 8080^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 74148929 - 2⁴ = 74148913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74148929.

It is not a weakly prime, because it can be changed into another prime (74148923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074464 + 37074465.

It is an arithmetic number, because the mean of its divisors is an integer number (37074465).

Almost surely, 2^74148929 is an apocalyptic number.

It is an amenable number.

74148929 is a deficient number, since it is larger than the sum of its proper divisors (1).

74148929 is an equidigital number, since it uses as much as digits as its factorization.

74148929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 74148929 is about 8610.9772383859. The cubic root of 74148929 is about 420.1151026176.

The spelling of 74148929 in words is "seventy-four million, one hundred forty-eight thousand, nine hundred twenty-nine".