1346974720 has 352 divisors, whose sum is σ = 4126752000. Its totient is φ = 419069952.

The previous prime is 1346974709. The next prime is 1346974723. The reversal of 1346974720 is 274796431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346974723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22830051 + ... + 22830109.

Almost surely, 2^1346974720 is an apocalyptic number.

1346974720 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 1346974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063376000).

1346974720 is an abundant number, since it is smaller than the sum of its proper divisors (2779777280).

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

1346974720 is an equidigital number, since it uses as much as digits as its factorization.

1346974720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 1346974720 is about 36701.1542052835. The cubic root of 1346974720 is about 1104.3832597785.

The spelling of 1346974720 in words is "one billion, three hundred forty-six million, nine hundred seventy-four thousand, seven hundred twenty".