69987433 has 2 divisors, whose sum is σ = 69987434. Its totient is φ = 69987432.

The previous prime is 69987427. The next prime is 69987439. The reversal of 69987433 is 33478996.

It is a balanced prime because it is at equal distance from previous prime (69987427) and next prime (69987439).

It can be written as a sum of positive squares in only one way, i.e., 57335184 + 12652249 = 7572^2 + 3557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69987433 is a prime.

It is not a weakly prime, because it can be changed into another prime (69987439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34993716 + 34993717.

It is an arithmetic number, because the mean of its divisors is an integer number (34993717).

Almost surely, 2^69987433 is an apocalyptic number.

It is an amenable number.

69987433 is a deficient number, since it is larger than the sum of its proper divisors (1).

69987433 is an equidigital number, since it uses as much as digits as its factorization.

69987433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 69987433 is about 8365.8492097336. The cubic root of 69987433 is about 412.1038655561.

The spelling of 69987433 in words is "sixty-nine million, nine hundred eighty-seven thousand, four hundred thirty-three".