774513020 has 12 divisors (see below), whose sum is σ = 1626477384. Its totient is φ = 309805200.

The previous prime is 774513011. The next prime is 774513023. The reversal of 774513020 is 20315477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774513023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362806 + ... + 19362845.

It is an arithmetic number, because the mean of its divisors is an integer number (135539782).

Almost surely, 2^774513020 is an apocalyptic number.

It is an amenable number.

774513020 is an abundant number, since it is smaller than the sum of its proper divisors (851964364).

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

774513020 is a wasteful number, since it uses less digits than its factorization.

774513020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38725660 (or 38725658 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 774513020 is about 27830.0740207424. The cubic root of 774513020 is about 918.3528419309.

Adding to 774513020 its reverse (20315477), we get a palindrome (794828497).

The spelling of 774513020 in words is "seven hundred seventy-four million, five hundred thirteen thousand, twenty".