1472739840 has 640 divisors, whose sum is σ = 6187104000. Its totient is φ = 327352320.

The previous prime is 1472739833. The next prime is 1472739893. The reversal of 1472739840 is 489372741.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9884086 + ... + 9884234.

It is an arithmetic number, because the mean of its divisors is an integer number (9667350).

Almost surely, 2^1472739840 is an apocalyptic number.

1472739840 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 1472739840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3093552000).

1472739840 is an abundant number, since it is smaller than the sum of its proper divisors (4714364160).

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

1472739840 is a wasteful number, since it uses less digits than its factorization.

1472739840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1472739840 is about 38376.2926818107. The cubic root of 1472739840 is about 1137.7373403235.

The spelling of 1472739840 in words is "one billion, four hundred seventy-two million, seven hundred thirty-nine thousand, eight hundred forty".