74699629 has 2 divisors, whose sum is σ = 74699630. Its totient is φ = 74699628.

The previous prime is 74699623. The next prime is 74699693. The reversal of 74699629 is 92699647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66422500 + 8277129 = 8150^2 + 2877^2 .

It is a cyclic number.

It is not a de Polignac number, because 74699629 - 2¹⁹ = 74175341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74699623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37349814 + 37349815.

It is an arithmetic number, because the mean of its divisors is an integer number (37349815).

Almost surely, 2^74699629 is an apocalyptic number.

It is an amenable number.

74699629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74699629 is an equidigital number, since it uses as much as digits as its factorization.

74699629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 74699629 is about 8642.8947118428. The cubic root of 74699629 is about 421.1525955939.

The spelling of 74699629 in words is "seventy-four million, six hundred ninety-nine thousand, six hundred twenty-nine".