1274479680 has 224 divisors, whose sum is σ = 4258324224. Its totient is φ = 322330624.

The previous prime is 1274479673. The next prime is 1274479697. The reversal of 1274479680 is 869744721.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4349614 + ... + 4349906.

It is an arithmetic number, because the mean of its divisors is an integer number (19010376).

Almost surely, 2^1274479680 is an apocalyptic number.

1274479680 is a gapful number since it is divisible by the number (10) 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 1274479680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129162112).

1274479680 is an abundant number, since it is smaller than the sum of its proper divisors (2983844544).

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

1274479680 is a wasteful number, since it uses less digits than its factorization.

1274479680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1274479680 is about 35699.8554618923. The cubic root of 1274479680 is about 1084.2039167401.

The spelling of 1274479680 in words is "one billion, two hundred seventy-four million, four hundred seventy-nine thousand, six hundred eighty".