742106507 has 4 divisors (see below), whose sum is σ = 743009040. Its totient is φ = 741203976.

The previous prime is 742106479. The next prime is 742106609. The reversal of 742106507 is 705601247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705601247 = 13 ⋅54277019.

It is a cyclic number.

It is not a de Polignac number, because 742106507 - 2⁸ = 742106251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742706507) 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, 450032 + ... + 451677.

It is an arithmetic number, because the mean of its divisors is an integer number (185752260).

Almost surely, 2^742106507 is an apocalyptic number.

742106507 is a deficient number, since it is larger than the sum of its proper divisors (902533).

742106507 is an equidigital number, since it uses as much as digits as its factorization.

742106507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902532.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 742106507 is about 27241.6318710902. The cubic root of 742106507 is about 905.3616197777.

The spelling of 742106507 in words is "seven hundred forty-two million, one hundred six thousand, five hundred seven".