725543046 has 12 divisors (see below), whose sum is σ = 1572009972. Its totient is φ = 241847676.

The previous prime is 725543009. The next prime is 725543057. The reversal of 725543046 is 640345527.

725543046 is a `hidden beast` number, since 72 + 5 + 543 + 0 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 725543046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20153956 + ... + 20153991.

It is an arithmetic number, because the mean of its divisors is an integer number (131000831).

Almost surely, 2^725543046 is an apocalyptic number.

725543046 is an abundant number, since it is smaller than the sum of its proper divisors (846466926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725543046 is a wasteful number, since it uses less digits than its factorization.

725543046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40307955 (or 40307952 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 725543046 is about 26935.9062591181. The cubic root of 725543046 is about 898.5751305390.

The spelling of 725543046 in words is "seven hundred twenty-five million, five hundred forty-three thousand, forty-six".