247450630 has 16 divisors (see below), whose sum is σ = 509041440. Its totient is φ = 84840192.

The previous prime is 247450627. The next prime is 247450663. The reversal of 247450630 is 36054742.

It is a super-2 number, since 2×247450630² = 122463628574793800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247450592 and 247450601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767435 + ... + 1767574.

It is an arithmetic number, because the mean of its divisors is an integer number (31815090).

Almost surely, 2^247450630 is an apocalyptic number.

247450630 is an abundant number, since it is smaller than the sum of its proper divisors (261590810).

247450630 is a wasteful number, since it uses less digits than its factorization.

247450630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535023.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 247450630 is about 15730.5635626954. The cubic root of 247450630 is about 627.8118680652.

The spelling of 247450630 in words is "two hundred forty-seven million, four hundred fifty thousand, six hundred thirty".