1552068741 has 4 divisors (see below), whose sum is σ = 2069424992. Its totient is φ = 1034712492.

The previous prime is 1552068659. The next prime is 1552068769. The reversal of 1552068741 is 1478602551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1478602551 = 3 ⋅492867517.

It is not a de Polignac number, because 1552068741 - 2²³ = 1543680133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552068741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552068641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258678121 + ... + 258678126.

It is an arithmetic number, because the mean of its divisors is an integer number (517356248).

Almost surely, 2^1552068741 is an apocalyptic number.

It is an amenable number.

1552068741 is a deficient number, since it is larger than the sum of its proper divisors (517356251).

1552068741 is an equidigital number, since it uses as much as digits as its factorization.

1552068741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517356250.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1552068741 is about 39396.3036464083. The cubic root of 1552068741 is about 1157.8091677565.

The spelling of 1552068741 in words is "one billion, five hundred fifty-two million, sixty-eight thousand, seven hundred forty-one".