7742013 has 4 divisors (see below), whose sum is σ = 10322688. Its totient is φ = 5161340.

The previous prime is 7742003. The next prime is 7742017. The reversal of 7742013 is 3102477.

7742013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7742013 - 2⁴ = 7741997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742017) 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, 1290333 + ... + 1290338.

It is an arithmetic number, because the mean of its divisors is an integer number (2580672).

Almost surely, 2^7742013 is an apocalyptic number.

It is an amenable number.

7742013 is a deficient number, since it is larger than the sum of its proper divisors (2580675).

7742013 is a wasteful number, since it uses less digits than its factorization.

7742013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580674.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 7742013 is about 2782.4473040832. The cubic root of 7742013 is about 197.8265750088.

The spelling of 7742013 in words is "seven million, seven hundred forty-two thousand, thirteen".