770499072 has 120 divisors (see below), whose sum is σ = 2541492096. Its totient is φ = 220133376.

The previous prime is 770499053. The next prime is 770499073. The reversal of 770499072 is 270994077.

It is a happy number.

It is a super-2 number, since 2×770499072² = 1187337639905722368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770499073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20313 + ... + 44199.

Almost surely, 2^770499072 is an apocalyptic number.

770499072 is a gapful number since it is divisible by the number (72) 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 770499072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270746048).

770499072 is an abundant number, since it is smaller than the sum of its proper divisors (1770993024).

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

770499072 is a wasteful number, since it uses less digits than its factorization.

770499072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23918 (or 23899 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 770499072 is about 27757.8650475861. The cubic root of 770499072 is about 916.7636252849.

The spelling of 770499072 in words is "seven hundred seventy million, four hundred ninety-nine thousand, seventy-two".