1506045720 has 64 divisors (see below), whose sum is σ = 4663895040. Its totient is φ = 388656000.

The previous prime is 1506045703. The next prime is 1506045733. The reversal of 1506045720 is 275406051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198706 + ... + 206145.

It is an arithmetic number, because the mean of its divisors is an integer number (72873360).

Almost surely, 2^1506045720 is an apocalyptic number.

1506045720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1506045720 is an abundant number, since it is smaller than the sum of its proper divisors (3157849320).

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

1506045720 is a wasteful number, since it uses less digits than its factorization.

1506045720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404896 (or 404892 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1506045720 is about 38807.8048851001. The cubic root of 1506045720 is about 1146.2500969410.

The spelling of 1506045720 in words is "one billion, five hundred six million, forty-five thousand, seven hundred twenty".