7259725442 has 4 divisors (see below), whose sum is σ = 10889588166. Its totient is φ = 3629862720.

The previous prime is 7259725439. The next prime is 7259725477. The reversal of 7259725442 is 2445279527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445279527 = 8369 ⋅292183.

It can be written as a sum of positive squares in only one way, i.e., 5826421561 + 1433303881 = 76331^2 + 37859^2 .

It is a super-2 number, since 2×7259725442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814931359 + ... + 1814931362.

Almost surely, 2^7259725442 is an apocalyptic number.

7259725442 is a deficient number, since it is larger than the sum of its proper divisors (3629862724).

7259725442 is a wasteful number, since it uses less digits than its factorization.

7259725442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629862723.

The product of its digits is 1411200, while the sum is 47.

The square root of 7259725442 is about 85204.0224519946. The cubic root of 7259725442 is about 1936.3033586015.

The spelling of 7259725442 in words is "seven billion, two hundred fifty-nine million, seven hundred twenty-five thousand, four hundred forty-two".