684232974 has 32 divisors (see below), whose sum is σ = 1545451680. Its totient is φ = 224337600.

The previous prime is 684232963. The next prime is 684233009. The reversal of 684232974 is 479232486.

It is a super-3 number, since 3×684232974³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100567 + ... + 107154.

It is an arithmetic number, because the mean of its divisors is an integer number (48295365).

Almost surely, 2^684232974 is an apocalyptic number.

684232974 is an abundant number, since it is smaller than the sum of its proper divisors (861218706).

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

684232974 is a wasteful number, since it uses less digits than its factorization.

684232974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207793 (or 207787 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 684232974 is about 26157.8472738106. The cubic root of 684232974 is about 881.1868344042.

The spelling of 684232974 in words is "six hundred eighty-four million, two hundred thirty-two thousand, nine hundred seventy-four".