772763080 has 64 divisors (see below), whose sum is σ = 1791175680. Its totient is φ = 299865600.

The previous prime is 772763063. The next prime is 772763081. The reversal of 772763080 is 80367277.

It is a super-2 number, since 2×772763080² = 1194325555622172800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (772763081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312007 + ... + 314473.

It is an arithmetic number, because the mean of its divisors is an integer number (27987120).

Almost surely, 2^772763080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772763080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895587840).

772763080 is an abundant number, since it is smaller than the sum of its proper divisors (1018412600).

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

772763080 is a wasteful number, since it uses less digits than its factorization.

772763080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 772763080 is about 27798.6165123374. The cubic root of 772763080 is about 917.6606761493.

It can be divided in two parts, 7727 and 63080, that added together give a palindrome (70807).

The spelling of 772763080 in words is "seven hundred seventy-two million, seven hundred sixty-three thousand, eighty".