1552272720 has 80 divisors (see below), whose sum is σ = 5095120320. Its totient is φ = 389588992.

The previous prime is 1552272707. The next prime is 1552272731. The reversal of 1552272720 is 272722551.

It is a tau number, because it is divible by the number of its divisors (80).

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, 186150 + ... + 194309.

It is an arithmetic number, because the mean of its divisors is an integer number (63689004).

Almost surely, 2^1552272720 is an apocalyptic number.

1552272720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552272720 is an abundant number, since it is smaller than the sum of its proper divisors (3542847600).

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

1552272720 is a wasteful number, since it uses less digits than its factorization.

1552272720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380492 (or 380486 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 1552272720 is about 39398.8923702177. The cubic root of 1552272720 is about 1157.8598868183.

The spelling of 1552272720 in words is "one billion, five hundred fifty-two million, two hundred seventy-two thousand, seven hundred twenty".