1379562720 has 48 divisors (see below), whose sum is σ = 4345624080. Its totient is φ = 367883264.

The previous prime is 1379562719. The next prime is 1379562749. The reversal of 1379562720 is 272659731.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436565 + ... + 1437524.

It is an arithmetic number, because the mean of its divisors is an integer number (90533835).

Almost surely, 2^1379562720 is an apocalyptic number.

1379562720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379562720 is an abundant number, since it is smaller than the sum of its proper divisors (2966061360).

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

1379562720 is a wasteful number, since it uses less digits than its factorization.

1379562720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874107 (or 2874099 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1379562720 is about 37142.4651847451. The cubic root of 1379562720 is about 1113.2186749703.

The spelling of 1379562720 in words is "one billion, three hundred seventy-nine million, five hundred sixty-two thousand, seven hundred twenty".