74632949 has 2 divisors, whose sum is σ = 74632950. Its totient is φ = 74632948.

The previous prime is 74632939. The next prime is 74632963. The reversal of 74632949 is 94923647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61622500 + 13010449 = 7850^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 74632949 - 2¹⁶ = 74567413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74632939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37316474 + 37316475.

It is an arithmetic number, because the mean of its divisors is an integer number (37316475).

Almost surely, 2^74632949 is an apocalyptic number.

It is an amenable number.

74632949 is a deficient number, since it is larger than the sum of its proper divisors (1).

74632949 is an equidigital number, since it uses as much as digits as its factorization.

74632949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 74632949 is about 8639.0363467229. The cubic root of 74632949 is about 421.0272455065.

The spelling of 74632949 in words is "seventy-four million, six hundred thirty-two thousand, nine hundred forty-nine".