42736699 has 2 divisors, whose sum is σ = 42736700. Its totient is φ = 42736698.

The previous prime is 42736669. The next prime is 42736703. The reversal of 42736699 is 99663724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42736699 - 2¹³ = 42728507 is a prime.

It is not a weakly prime, because it can be changed into another prime (42736619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21368349 + 21368350.

It is an arithmetic number, because the mean of its divisors is an integer number (21368350).

Almost surely, 2^42736699 is an apocalyptic number.

42736699 is a deficient number, since it is larger than the sum of its proper divisors (1).

42736699 is an equidigital number, since it uses as much as digits as its factorization.

42736699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The square root of 42736699 is about 6537.3311832888. The cubic root of 42736699 is about 349.6232653824.

Subtracting 42736699 from its reverse (99663724), we obtain a square (56927025 = 7545²).

The spelling of 42736699 in words is "forty-two million, seven hundred thirty-six thousand, six hundred ninety-nine".