7573049981 has 8 divisors (see below), whose sum is σ = 8839061760. Its totient is φ = 6353075088.

The previous prime is 7573049977. The next prime is 7573050029. The reversal of 7573049981 is 1899403757.

7573049981 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 7573049981 - 2² = 7573049977 is a prime.

It is a super-2 number, since 2×7573049981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7573049941) 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, 11508866 + ... + 11509523.

It is an arithmetic number, because the mean of its divisors is an integer number (1104882720).

Almost surely, 2^7573049981 is an apocalyptic number.

It is an amenable number.

7573049981 is a deficient number, since it is larger than the sum of its proper divisors (1266011779).

7573049981 is a wasteful number, since it uses less digits than its factorization.

7573049981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23018443.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 7573049981 is about 87023.2726401392. The cubic root of 7573049981 is about 1963.7684320019.

The spelling of 7573049981 in words is "seven billion, five hundred seventy-three million, forty-nine thousand, nine hundred eighty-one".