647354054 has 16 divisors (see below), whose sum is σ = 1029948480. Its totient is φ = 304298280.

The previous prime is 647354053. The next prime is 647354069. The reversal of 647354054 is 450453746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 647353999 and 647354017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647354053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60044 + ... + 69999.

It is an arithmetic number, because the mean of its divisors is an integer number (64371780).

Almost surely, 2^647354054 is an apocalyptic number.

647354054 is a deficient number, since it is larger than the sum of its proper divisors (382594426).

647354054 is a wasteful number, since it uses less digits than its factorization.

647354054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130195.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 647354054 is about 25443.1533816074. The cubic root of 647354054 is about 865.0621109910.

The spelling of 647354054 in words is "six hundred forty-seven million, three hundred fifty-four thousand, fifty-four".