725352378 has 16 divisors (see below), whose sum is σ = 1453183200. Its totient is φ = 241371056.

The previous prime is 725352377. The next prime is 725352409. The reversal of 725352378 is 873253527.

It is a super-2 number, since 2×725352378² = 1052272144540509768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725352377) 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, 99453 + ... + 106496.

It is an arithmetic number, because the mean of its divisors is an integer number (90823950).

Almost surely, 2^725352378 is an apocalyptic number.

725352378 is an abundant number, since it is smaller than the sum of its proper divisors (727830822).

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

725352378 is a wasteful number, since it uses less digits than its factorization.

725352378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206541.

The product of its digits is 352800, while the sum is 42.

The square root of 725352378 is about 26932.3667359555. The cubic root of 725352378 is about 898.4964104069.

The spelling of 725352378 in words is "seven hundred twenty-five million, three hundred fifty-two thousand, three hundred seventy-eight".