725246691 has 8 divisors (see below), whose sum is σ = 1041379920. Its totient is φ = 446305632.

The previous prime is 725246633. The next prime is 725246693. The reversal of 725246691 is 196642527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 725246691 - 2¹⁰ = 725245667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725246693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9297996 + ... + 9298073.

It is an arithmetic number, because the mean of its divisors is an integer number (130172490).

Almost surely, 2^725246691 is an apocalyptic number.

725246691 is a deficient number, since it is larger than the sum of its proper divisors (316133229).

725246691 is a wasteful number, since it uses less digits than its factorization.

725246691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18596085.

The product of its digits is 181440, while the sum is 42.

The square root of 725246691 is about 26930.4045829245. The cubic root of 725246691 is about 898.4527700075.

The spelling of 725246691 in words is "seven hundred twenty-five million, two hundred forty-six thousand, six hundred ninety-one".