725079734 has 4 divisors (see below), whose sum is σ = 1087619604. Its totient is φ = 362539866.

The previous prime is 725079731. The next prime is 725079737. The reversal of 725079734 is 437970527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437970527 = 491 ⋅891997.

It is an interprime number because it is at equal distance from previous prime (725079731) and next prime (725079737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725079731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181269932 + ... + 181269935.

It is an arithmetic number, because the mean of its divisors is an integer number (271904901).

Almost surely, 2^725079734 is an apocalyptic number.

725079734 is a deficient number, since it is larger than the sum of its proper divisors (362539870).

725079734 is a wasteful number, since it uses less digits than its factorization.

725079734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362539869.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 725079734 is about 26927.3046181752. The cubic root of 725079734 is about 898.3838212884.

The spelling of 725079734 in words is "seven hundred twenty-five million, seventy-nine thousand, seven hundred thirty-four".