742040767 has 4 divisors (see below), whose sum is σ = 799120840. Its totient is φ = 684960696.

The previous prime is 742040749. The next prime is 742040843. The reversal of 742040767 is 767040247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 767040247 = 15887 ⋅48281.

It is a cyclic number.

It is not a de Polignac number, because 742040767 - 2⁷ = 742040639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742040267) 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 3 ways as a sum of consecutive naturals, for example, 28540017 + ... + 28540042.

It is an arithmetic number, because the mean of its divisors is an integer number (199780210).

Almost surely, 2^742040767 is an apocalyptic number.

742040767 is a deficient number, since it is larger than the sum of its proper divisors (57080073).

742040767 is a wasteful number, since it uses less digits than its factorization.

742040767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57080072.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 742040767 is about 27240.4252353006. The cubic root of 742040767 is about 905.3348849672.

The spelling of 742040767 in words is "seven hundred forty-two million, forty thousand, seven hundred sixty-seven".