74648033 has 2 divisors, whose sum is σ = 74648034. Its totient is φ = 74648032.

The previous prime is 74648029. The next prime is 74648069. The reversal of 74648033 is 33084647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72301009 + 2347024 = 8503^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 74648033 - 2² = 74648029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74647984 and 74648002.

It is not a weakly prime, because it can be changed into another prime (74648023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37324016 + 37324017.

It is an arithmetic number, because the mean of its divisors is an integer number (37324017).

Almost surely, 2^74648033 is an apocalyptic number.

It is an amenable number.

74648033 is a deficient number, since it is larger than the sum of its proper divisors (1).

74648033 is an equidigital number, since it uses as much as digits as its factorization.

74648033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74648033 is about 8639.9093166537. The cubic root of 74648033 is about 421.0556080785.

The spelling of 74648033 in words is "seventy-four million, six hundred forty-eight thousand, thirty-three".