704845763490 has 128 divisors (see below), whose sum is σ = 1873825228800. Its totient is φ = 168258816000.

The previous prime is 704845763443. The next prime is 704845763497. The reversal of 704845763490 is 94367548407.

It is a self number, because there is not a number n which added to its sum of digits gives 704845763490.

It is not an unprimeable number, because it can be changed into a prime (704845763497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6314665 + ... + 6425315.

It is an arithmetic number, because the mean of its divisors is an integer number (14639259600).

Almost surely, 2^704845763490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704845763490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936912614400).

704845763490 is an abundant number, since it is smaller than the sum of its proper divisors (1168979465310).

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

704845763490 is a wasteful number, since it uses less digits than its factorization.

704845763490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110968.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 704845763490 in words is "seven hundred four billion, eight hundred forty-five million, seven hundred sixty-three thousand, four hundred ninety".