725246730 has 64 divisors (see below), whose sum is σ = 2082769920. Its totient is φ = 178521408.

The previous prime is 725246723. The next prime is 725246737. The reversal of 725246730 is 37642527.

It is a happy number.

725246730 is a `hidden beast` number, since 72 + 524 + 67 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (725246723) and next prime (725246737).

It is not an unprimeable number, because it can be changed into a prime (725246737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99802 + ... + 106821.

It is an arithmetic number, because the mean of its divisors is an integer number (32543280).

Almost surely, 2^725246730 is an apocalyptic number.

725246730 is an abundant number, since it is smaller than the sum of its proper divisors (1357523190).

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

725246730 is a wasteful number, since it uses less digits than its factorization.

725246730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206652 (or 206646 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 725246730 is about 26930.4053070131. The cubic root of 725246730 is about 898.4527861122.

The spelling of 725246730 in words is "seven hundred twenty-five million, two hundred forty-six thousand, seven hundred thirty".