74499629 has 2 divisors, whose sum is σ = 74499630. Its totient is φ = 74499628.

The previous prime is 74499619. The next prime is 74499671. The reversal of 74499629 is 92699447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 1054729 = 8570^2 + 1027^2 .

It is an emirp because it is prime and its reverse (92699447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74499629 - 2⁴ = 74499613 is a prime.

It is a super-2 number, since 2×74499629² = 11100389442275282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74499619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37249814 + 37249815.

It is an arithmetic number, because the mean of its divisors is an integer number (37249815).

Almost surely, 2^74499629 is an apocalyptic number.

It is an amenable number.

74499629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74499629 is an equidigital number, since it uses as much as digits as its factorization.

74499629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 74499629 is about 8631.3167593363. The cubic root of 74499629 is about 420.7763964753.

The spelling of 74499629 in words is "seventy-four million, four hundred ninety-nine thousand, six hundred twenty-nine".