725761486 has 4 divisors (see below), whose sum is σ = 1088642232. Its totient is φ = 362880742.

The previous prime is 725761483. The next prime is 725761499. The reversal of 725761486 is 684167527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684167527 = 17207 ⋅39761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725761483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181440370 + ... + 181440373.

It is an arithmetic number, because the mean of its divisors is an integer number (272160558).

Almost surely, 2^725761486 is an apocalyptic number.

725761486 is a deficient number, since it is larger than the sum of its proper divisors (362880746).

725761486 is a wasteful number, since it uses less digits than its factorization.

725761486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362880745.

The product of its digits is 564480, while the sum is 46.

The square root of 725761486 is about 26939.9607646336. The cubic root of 725761486 is about 898.6652998071.

The spelling of 725761486 in words is "seven hundred twenty-five million, seven hundred sixty-one thousand, four hundred eighty-six".