1552920873 has 8 divisors (see below), whose sum is σ = 2366355648. Its totient is φ = 887383344.

The previous prime is 1552920857. The next prime is 1552920917. The reversal of 1552920873 is 3780292551.

It is a happy number.

1552920873 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1552920873 - 2⁴ = 1552920857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1552920073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36974286 + ... + 36974327.

It is an arithmetic number, because the mean of its divisors is an integer number (295794456).

Almost surely, 2^1552920873 is an apocalyptic number.

It is an amenable number.

1552920873 is a deficient number, since it is larger than the sum of its proper divisors (813434775).

1552920873 is an equidigital number, since it uses as much as digits as its factorization.

1552920873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73948623.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1552920873 is about 39407.1170348707. The cubic root of 1552920873 is about 1158.0210195713.

The spelling of 1552920873 in words is "one billion, five hundred fifty-two million, nine hundred twenty thousand, eight hundred seventy-three".