742897497 has 8 divisors (see below), whose sum is σ = 1007318880. Its totient is φ = 486870560.

The previous prime is 742897487. The next prime is 742897499. The reversal of 742897497 is 794798247.

It is a happy number.

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 742897497 - 2¹¹ = 742895449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742897499) 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, 2098404 + ... + 2098757.

It is an arithmetic number, because the mean of its divisors is an integer number (125914860).

Almost surely, 2^742897497 is an apocalyptic number.

It is an amenable number.

742897497 is a deficient number, since it is larger than the sum of its proper divisors (264421383).

742897497 is a wasteful number, since it uses less digits than its factorization.

742897497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197223.

The product of its digits is 7112448, while the sum is 57.

The square root of 742897497 is about 27256.1460408474. The cubic root of 742897497 is about 905.6831718714.

The spelling of 742897497 in words is "seven hundred forty-two million, eight hundred ninety-seven thousand, four hundred ninety-seven".