1370921424 has 80 divisors (see below), whose sum is σ = 3593823552. Its totient is φ = 450279424.

The previous prime is 1370921423. The next prime is 1370921473. The reversal of 1370921424 is 4241290731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370921423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067887 + ... + 1069169.

Almost surely, 2^1370921424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1370921424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796911776).

1370921424 is an abundant number, since it is smaller than the sum of its proper divisors (2222902128).

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

1370921424 is a wasteful number, since it uses less digits than its factorization.

1370921424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1370921424 is about 37025.9560848873. The cubic root of 1370921424 is about 1110.8894810158.

The spelling of 1370921424 in words is "one billion, three hundred seventy million, nine hundred twenty-one thousand, four hundred twenty-four".