774412240 has 120 divisors (see below), whose sum is σ = 2127720960. Its totient is φ = 256769280.

The previous prime is 774412213. The next prime is 774412267. The reversal of 774412240 is 42214477.

It is an interprime number because it is at equal distance from previous prime (774412213) and next prime (774412267).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537441 + ... + 538879.

It is an arithmetic number, because the mean of its divisors is an integer number (17731008).

Almost surely, 2^774412240 is an apocalyptic number.

774412240 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 774412240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063860480).

774412240 is an abundant number, since it is smaller than the sum of its proper divisors (1353308720).

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

774412240 is a wasteful number, since it uses less digits than its factorization.

774412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 774412240 is about 27828.2633306500. The cubic root of 774412240 is about 918.3130080346.

The spelling of 774412240 in words is "seven hundred seventy-four million, four hundred twelve thousand, two hundred forty".