274245646 has 4 divisors (see below), whose sum is σ = 411368472. Its totient is φ = 137122822.

The previous prime is 274245619. The next prime is 274245659. The reversal of 274245646 is 646542472.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 274245599 and 274245608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68561410 + ... + 68561413.

It is an arithmetic number, because the mean of its divisors is an integer number (102842118).

Almost surely, 2^274245646 is an apocalyptic number.

274245646 is a deficient number, since it is larger than the sum of its proper divisors (137122826).

274245646 is a wasteful number, since it uses less digits than its factorization.

274245646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137122825.

The product of its digits is 322560, while the sum is 40.

The square root of 274245646 is about 16560.3637037355. The cubic root of 274245646 is about 649.7005689877.

The spelling of 274245646 in words is "two hundred seventy-four million, two hundred forty-five thousand, six hundred forty-six".