742907887 has 2 divisors, whose sum is σ = 742907888. Its totient is φ = 742907886.

The previous prime is 742907849. The next prime is 742907911. The reversal of 742907887 is 788709247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742907887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742907827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371453943 + 371453944.

It is an arithmetic number, because the mean of its divisors is an integer number (371453944).

Almost surely, 2^742907887 is an apocalyptic number.

742907887 is a deficient number, since it is larger than the sum of its proper divisors (1).

742907887 is an equidigital number, since it uses as much as digits as its factorization.

742907887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 742907887 is about 27256.3366393945. The cubic root of 742907887 is about 905.6873940799.

The spelling of 742907887 in words is "seven hundred forty-two million, nine hundred seven thousand, eight hundred eighty-seven".