245734636 has 24 divisors (see below), whose sum is σ = 492339456. Its totient is φ = 105128400.

The previous prime is 245734631. The next prime is 245734639. The reversal of 245734636 is 636437542.

It is a super-2 number, since 2×245734636² = 120771022660104992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245734631) 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, 8961 + ... + 23911.

It is an arithmetic number, because the mean of its divisors is an integer number (20514144).

Almost surely, 2^245734636 is an apocalyptic number.

It is an amenable number.

245734636 is an abundant number, since it is smaller than the sum of its proper divisors (246604820).

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

245734636 is a wasteful number, since it uses less digits than its factorization.

245734636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15549 (or 15547 counting only the distinct ones).

The product of its digits is 362880, while the sum is 40.

The square root of 245734636 is about 15675.9253634355. The cubic root of 245734636 is about 626.3572730820.

The spelling of 245734636 in words is "two hundred forty-five million, seven hundred thirty-four thousand, six hundred thirty-six".