780303672 has 64 divisors (see below), whose sum is σ = 2295021600. Its totient is φ = 244800000.

The previous prime is 780303611. The next prime is 780303721. The reversal of 780303672 is 276303087.

780303672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102579 + ... + 109922.

Almost surely, 2^780303672 is an apocalyptic number.

780303672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

780303672 is an abundant number, since it is smaller than the sum of its proper divisors (1514717928).

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

780303672 is a wasteful number, since it uses less digits than its factorization.

780303672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212533 (or 212523 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 780303672 is about 27933.9161593930. The cubic root of 780303672 is about 920.6358521790.

The spelling of 780303672 in words is "seven hundred eighty million, three hundred three thousand, six hundred seventy-two".