725629435 has 4 divisors (see below), whose sum is σ = 870755328. Its totient is φ = 580503544.

The previous prime is 725629433. The next prime is 725629441. The reversal of 725629435 is 534926527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534926527 = 199 ⋅2688073.

It is a cyclic number.

It is not a de Polignac number, because 725629435 - 2¹ = 725629433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725629391 and 725629400.

It is not an unprimeable number, because it can be changed into a prime (725629433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72562939 + ... + 72562948.

It is an arithmetic number, because the mean of its divisors is an integer number (217688832).

Almost surely, 2^725629435 is an apocalyptic number.

725629435 is a deficient number, since it is larger than the sum of its proper divisors (145125893).

725629435 is a wasteful number, since it uses less digits than its factorization.

725629435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145125892.

The product of its digits is 453600, while the sum is 43.

The square root of 725629435 is about 26937.5098143834. The cubic root of 725629435 is about 898.6107929883.

The spelling of 725629435 in words is "seven hundred twenty-five million, six hundred twenty-nine thousand, four hundred thirty-five".