785641472 has 208 divisors, whose sum is σ = 2038182912. Its totient is φ = 293928960.

The previous prime is 785641471. The next prime is 785641477. The reversal of 785641472 is 274146587.

It is a Harshad number since it is a multiple of its sum of digits (44).

Its product of digits (376320) is a multiple of the sum of its prime divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785641471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14823398 + ... + 14823450.

Almost surely, 2^785641472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785641472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019091456).

785641472 is an abundant number, since it is smaller than the sum of its proper divisors (1252541440).

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

785641472 is a wasteful number, since it uses less digits than its factorization.

785641472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 120 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 785641472 is about 28029.2966733024. The cubic root of 785641472 is about 922.7303388999.

The spelling of 785641472 in words is "seven hundred eighty-five million, six hundred forty-one thousand, four hundred seventy-two".