736428646 has 8 divisors (see below), whose sum is σ = 1107160560. Its totient is φ = 367375128.

The previous prime is 736428629. The next prime is 736428659. The reversal of 736428646 is 646824637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 736428596 and 736428605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418501 + ... + 420256.

It is an arithmetic number, because the mean of its divisors is an integer number (138395070).

Almost surely, 2^736428646 is an apocalyptic number.

736428646 is a deficient number, since it is larger than the sum of its proper divisors (370731914).

736428646 is a wasteful number, since it uses less digits than its factorization.

736428646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839198.

The product of its digits is 1161216, while the sum is 46.

The square root of 736428646 is about 27137.2188331819. The cubic root of 736428646 is about 903.0467303665.

The spelling of 736428646 in words is "seven hundred thirty-six million, four hundred twenty-eight thousand, six hundred forty-six".