654364674 has 96 divisors (see below), whose sum is σ = 1596067200. Its totient is φ = 192741120.

The previous prime is 654364673. The next prime is 654364727. The reversal of 654364674 is 476463456.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654364673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321492 + ... + 323520.

It is an arithmetic number, because the mean of its divisors is an integer number (16625700).

Almost surely, 2^654364674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654364674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798033600).

654364674 is an abundant number, since it is smaller than the sum of its proper divisors (941702526).

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

654364674 is a wasteful number, since it uses less digits than its factorization.

654364674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2117 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 654364674 is about 25580.5526523568. The cubic root of 654364674 is about 868.1736797368.

It can be divided in two parts, 6543 and 64674, that added together give a palindrome (71217).

The spelling of 654364674 in words is "six hundred fifty-four million, three hundred sixty-four thousand, six hundred seventy-four".