720379100 has 36 divisors (see below), whose sum is σ = 1786541904. Its totient is φ = 246986880.

The previous prime is 720379081. The next prime is 720379103. The reversal of 720379100 is 1973027.

It is a happy number.

720379100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720379103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513857 + ... + 515256.

It is an arithmetic number, because the mean of its divisors is an integer number (49626164).

Almost surely, 2^720379100 is an apocalyptic number.

720379100 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

720379100 is an abundant number, since it is smaller than the sum of its proper divisors (1066162804).

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

720379100 is a wasteful number, since it uses less digits than its factorization.

720379100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029134 (or 1029127 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 720379100 is about 26839.8789117984. The cubic root of 720379100 is about 896.4382273164.

The spelling of 720379100 in words is "seven hundred twenty million, three hundred seventy-nine thousand, one hundred".