742247825 has 24 divisors (see below), whose sum is σ = 1056911520. Its totient is φ = 511401600.

The previous prime is 742247791. The next prime is 742247827. The reversal of 742247825 is 528742247.

It is not a de Polignac number, because 742247825 - 2¹⁶ = 742182289 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (742247827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65804 + ... + 76253.

It is an arithmetic number, because the mean of its divisors is an integer number (44037980).

Almost surely, 2^742247825 is an apocalyptic number.

It is an amenable number.

742247825 is a deficient number, since it is larger than the sum of its proper divisors (314663695).

742247825 is a wasteful number, since it uses less digits than its factorization.

742247825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142097 (or 142092 counting only the distinct ones).

The product of its digits is 250880, while the sum is 41.

The square root of 742247825 is about 27244.2255349643. The cubic root of 742247825 is about 905.4190849221.

The spelling of 742247825 in words is "seven hundred forty-two million, two hundred forty-seven thousand, eight hundred twenty-five".