773283840 has 448 divisors, whose sum is σ = 3019714560. Its totient is φ = 165150720.

The previous prime is 773283839. The next prime is 773283857. The reversal of 773283840 is 48382377.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 773283792 and 773283801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24944625 + ... + 24944655.

Almost surely, 2^773283840 is an apocalyptic number.

773283840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773283840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509857280).

773283840 is an abundant number, since it is smaller than the sum of its proper divisors (2246430720).

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

773283840 is a wasteful number, since it uses less digits than its factorization.

773283840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 773283840 is about 27807.9815880261. The cubic root of 773283840 is about 917.8667650439.

The spelling of 773283840 in words is "seven hundred seventy-three million, two hundred eighty-three thousand, eight hundred forty".