1678613234 has 16 divisors (see below), whose sum is σ = 2601565440. Its totient is φ = 811475280.

The previous prime is 1678613221. The next prime is 1678613249. The reversal of 1678613234 is 4323168761.

It is a junction number, because it is equal to n+sod(n) for n = 1678613191 and 1678613200.

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, 57572 + ... + 81680.

It is an arithmetic number, because the mean of its divisors is an integer number (162597840).

Almost surely, 2^1678613234 is an apocalyptic number.

1678613234 is a deficient number, since it is larger than the sum of its proper divisors (922952206).

1678613234 is a wasteful number, since it uses less digits than its factorization.

1678613234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25265.

The product of its digits is 145152, while the sum is 41.

The square root of 1678613234 is about 40970.8827583688. The cubic root of 1678613234 is about 1188.4572041264.

The spelling of 1678613234 in words is "one billion, six hundred seventy-eight million, six hundred thirteen thousand, two hundred thirty-four".