7374987533 has 2 divisors, whose sum is σ = 7374987534. Its totient is φ = 7374987532.

The previous prime is 7374987517. The next prime is 7374987553. The reversal of 7374987533 is 3357894737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3962324809 + 3412662724 = 62947^2 + 58418^2 .

It is a cyclic number.

It is not a de Polignac number, because 7374987533 - 2⁴ = 7374987517 is a prime.

It is a super-2 number, since 2×7374987533² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7374987553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3687493766 + 3687493767.

It is an arithmetic number, because the mean of its divisors is an integer number (3687493767).

Almost surely, 2^7374987533 is an apocalyptic number.

It is an amenable number.

7374987533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7374987533 is an equidigital number, since it uses as much as digits as its factorization.

7374987533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 56.

The square root of 7374987533 is about 85877.7476008774. The cubic root of 7374987533 is about 1946.4971111228.

The spelling of 7374987533 in words is "seven billion, three hundred seventy-four million, nine hundred eighty-seven thousand, five hundred thirty-three".