725896733 has 2 divisors, whose sum is σ = 725896734. Its totient is φ = 725896732.

The previous prime is 725896681. The next prime is 725896751. The reversal of 725896733 is 337698527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681314404 + 44582329 = 26102^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 725896733 - 2¹² = 725892637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725896763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362948366 + 362948367.

It is an arithmetic number, because the mean of its divisors is an integer number (362948367).

Almost surely, 2^725896733 is an apocalyptic number.

It is an amenable number.

725896733 is a deficient number, since it is larger than the sum of its proper divisors (1).

725896733 is an equidigital number, since it uses as much as digits as its factorization.

725896733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 725896733 is about 26942.4708035473. The cubic root of 725896733 is about 898.7211189888.

The spelling of 725896733 in words is "seven hundred twenty-five million, eight hundred ninety-six thousand, seven hundred thirty-three".