725470707 has 16 divisors (see below), whose sum is σ = 1057253120. Its totient is φ = 439778592.

The previous prime is 725470679. The next prime is 725470717. The reversal of 725470707 is 707074527.

It is not a de Polignac number, because 725470707 - 2⁶ = 725470643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725470717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136207 + ... + 141432.

It is an arithmetic number, because the mean of its divisors is an integer number (66078320).

Almost surely, 2^725470707 is an apocalyptic number.

725470707 is a deficient number, since it is larger than the sum of its proper divisors (331782413).

725470707 is a wasteful number, since it uses less digits than its factorization.

725470707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277722.

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 725470707 is about 26934.5634269427. The cubic root of 725470707 is about 898.5452659260.

The spelling of 725470707 in words is "seven hundred twenty-five million, four hundred seventy thousand, seven hundred seven".