772845480 has 96 divisors (see below), whose sum is σ = 2740102560. Its totient is φ = 187355520.

The previous prime is 772845467. The next prime is 772845481. The reversal of 772845480 is 84548277.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (772845481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93622 + ... + 101541.

It is an arithmetic number, because the mean of its divisors is an integer number (28542735).

Almost surely, 2^772845480 is an apocalyptic number.

It is an amenable number.

772845480 is an abundant number, since it is smaller than the sum of its proper divisors (1967257080).

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

772845480 is a wasteful number, since it uses less digits than its factorization.

772845480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195191 (or 195184 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 772845480 is about 27800.0985609764. The cubic root of 772845480 is about 917.6932918173.

The spelling of 772845480 in words is "seven hundred seventy-two million, eight hundred forty-five thousand, four hundred eighty".