1678474734 has 16 divisors (see below), whose sum is σ = 3447678288. Its totient is φ = 544370112.

The previous prime is 1678474729. The next prime is 1678474747. The reversal of 1678474734 is 4374748761.

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, 3780127 + ... + 3780570.

It is an arithmetic number, because the mean of its divisors is an integer number (215479893).

Almost surely, 2^1678474734 is an apocalyptic number.

1678474734 is an abundant number, since it is smaller than the sum of its proper divisors (1769203554).

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

1678474734 is a wasteful number, since it uses less digits than its factorization.

1678474734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560739.

The product of its digits is 3161088, while the sum is 51.

The square root of 1678474734 is about 40969.1924987545. The cubic root of 1678474734 is about 1188.4245172539.

The spelling of 1678474734 in words is "one billion, six hundred seventy-eight million, four hundred seventy-four thousand, seven hundred thirty-four".