742036287 has 8 divisors (see below), whose sum is σ = 989916336. Its totient is φ = 494423552.

The previous prime is 742036261. The next prime is 742036297. The reversal of 742036287 is 782630247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742036287 - 2⁷ = 742036159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742036237) 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 in 7 ways as a sum of consecutive naturals, for example, 60258 + ... + 71519.

It is an arithmetic number, because the mean of its divisors is an integer number (123739542).

Almost surely, 2^742036287 is an apocalyptic number.

742036287 is a deficient number, since it is larger than the sum of its proper divisors (247880049).

742036287 is a wasteful number, since it uses less digits than its factorization.

742036287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133657.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 742036287 is about 27240.3430044484. The cubic root of 742036287 is about 905.3330630060. Note that the first 3 decimals are identical.

The spelling of 742036287 in words is "seven hundred forty-two million, thirty-six thousand, two hundred eighty-seven".