773400672 has 72 divisors (see below), whose sum is σ = 2399309640. Its totient is φ = 234362880.

The previous prime is 773400629. The next prime is 773400689. The reversal of 773400672 is 276004377.

It is a tau number, because it is divible by the number of its divisors (72).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118897 + ... + 125232.

It is an arithmetic number, because the mean of its divisors is an integer number (33323745).

Almost surely, 2^773400672 is an apocalyptic number.

773400672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

773400672 is an abundant number, since it is smaller than the sum of its proper divisors (1625908968).

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

773400672 is a wasteful number, since it uses less digits than its factorization.

773400672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244156 (or 244145 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 773400672 is about 27810.0822005258. The cubic root of 773400672 is about 917.9129881788.

The spelling of 773400672 in words is "seven hundred seventy-three million, four hundred thousand, six hundred seventy-two".