247201630 has 16 divisors (see below), whose sum is σ = 479191104. Its totient is φ = 91274400.

The previous prime is 247201621. The next prime is 247201637. The reversal of 247201630 is 36102742.

It is a super-2 number, since 2×247201630² = 122217291749313800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247201595 and 247201604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247201637) 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, 950646 + ... + 950905.

It is an arithmetic number, because the mean of its divisors is an integer number (29949444).

Almost surely, 2^247201630 is an apocalyptic number.

247201630 is a deficient number, since it is larger than the sum of its proper divisors (231989474).

247201630 is a wasteful number, since it uses less digits than its factorization.

247201630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901571.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 247201630 is about 15722.6470417675. The cubic root of 247201630 is about 627.6012164575.

The spelling of 247201630 in words is "two hundred forty-seven million, two hundred one thousand, six hundred thirty".