1371474720 has 1152 divisors, whose sum is σ = 6618931200. Its totient is φ = 261273600.

The previous prime is 1371474707. The next prime is 1371474721. The reversal of 1371474720 is 274741731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1371474721) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44241105 + ... + 44241135.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^1371474720 is an apocalyptic number.

1371474720 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 1371474720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3309465600).

1371474720 is an abundant number, since it is smaller than the sum of its proper divisors (5247456480).

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

1371474720 is a wasteful number, since it uses less digits than its factorization.

1371474720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 1371474720 is about 37033.4270625877. The cubic root of 1371474720 is about 1111.0389104492.

The spelling of 1371474720 in words is "one billion, three hundred seventy-one million, four hundred seventy-four thousand, seven hundred twenty".