742775007 has 16 divisors (see below), whose sum is σ = 1073350880. Its totient is φ = 454177152.

The previous prime is 742775003. The next prime is 742775009. The reversal of 742775007 is 700577247.

It is not a de Polignac number, because 742775007 - 2² = 742775003 is a prime.

It is a super-2 number, since 2×742775007² = 1103429422047700098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742775003) 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 15 ways as a sum of consecutive naturals, for example, 54532 + ... + 66777.

It is an arithmetic number, because the mean of its divisors is an integer number (67084430).

Almost surely, 2^742775007 is an apocalyptic number.

742775007 is a deficient number, since it is larger than the sum of its proper divisors (330575873).

742775007 is a wasteful number, since it uses less digits than its factorization.

742775007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121482.

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 742775007 is about 27253.8989320794. The cubic root of 742775007 is about 905.6333923573.

The spelling of 742775007 in words is "seven hundred forty-two million, seven hundred seventy-five thousand, seven".