773407040 has 56 divisors (see below), whose sum is σ = 2104778112. Its totient is φ = 265167360.

The previous prime is 773407007. The next prime is 773407049. The reversal of 773407040 is 40704377.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 773406988 and 773407006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773407049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170396 + ... + 174875.

Almost surely, 2^773407040 is an apocalyptic number.

773407040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

773407040 is an abundant number, since it is smaller than the sum of its proper divisors (1331371072).

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

773407040 is a wasteful number, since it uses less digits than its factorization.

773407040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345295 (or 345285 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 773407040 is about 27810.1966911419. The cubic root of 773407040 is about 917.9155074654.

The spelling of 773407040 in words is "seven hundred seventy-three million, four hundred seven thousand, forty".