742796457 has 16 divisors (see below), whose sum is σ = 1074984960. Its totient is φ = 453503232.

The previous prime is 742796449. The next prime is 742796501. The reversal of 742796457 is 754697247.

It is not a de Polignac number, because 742796457 - 2³ = 742796449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742796447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70032 + ... + 79937.

It is an arithmetic number, because the mean of its divisors is an integer number (67186560).

Almost surely, 2^742796457 is an apocalyptic number.

It is an amenable number.

742796457 is a deficient number, since it is larger than the sum of its proper divisors (332188503).

742796457 is a wasteful number, since it uses less digits than its factorization.

742796457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150112.

The product of its digits is 2963520, while the sum is 51.

The square root of 742796457 is about 27254.2924509150. The cubic root of 742796457 is about 905.6421099586.

The spelling of 742796457 in words is "seven hundred forty-two million, seven hundred ninety-six thousand, four hundred fifty-seven".