742510011 has 4 divisors (see below), whose sum is σ = 990013352. Its totient is φ = 495006672.

The previous prime is 742510009. The next prime is 742510031. The reversal of 742510011 is 110015247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 742510011 - 2¹ = 742510009 is a prime.

It is a super-2 number, since 2×742510011² = 1102642232870440242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742510011.

It is not an unprimeable number, because it can be changed into a prime (742510031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123751666 + ... + 123751671.

It is an arithmetic number, because the mean of its divisors is an integer number (247503338).

Almost surely, 2^742510011 is an apocalyptic number.

742510011 is a deficient number, since it is larger than the sum of its proper divisors (247503341).

742510011 is a wasteful number, since it uses less digits than its factorization.

742510011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247503340.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 742510011 is about 27249.0368820625. The cubic root of 742510011 is about 905.5256801655.

Adding to 742510011 its reverse (110015247), we get a palindrome (852525258).

The spelling of 742510011 in words is "seven hundred forty-two million, five hundred ten thousand, eleven".