7630073581 has 4 divisors (see below), whose sum is σ = 8217002332. Its totient is φ = 7043144832.

The previous prime is 7630073573. The next prime is 7630073587. The reversal of 7630073581 is 1853700367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1853700367 = 503 ⋅3685289.

It can be written as a sum of positive squares in 2 ways, for example, as 4683212356 + 2946861225 = 68434^2 + 54285^2 .

It is a cyclic number.

It is not a de Polignac number, because 7630073581 - 2³ = 7630073573 is a prime.

It is a super-2 number, since 2×7630073581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630073587) 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, 293464356 + ... + 293464381.

It is an arithmetic number, because the mean of its divisors is an integer number (2054250583).

Almost surely, 2^7630073581 is an apocalyptic number.

It is an amenable number.

7630073581 is a deficient number, since it is larger than the sum of its proper divisors (586928751).

7630073581 is a wasteful number, since it uses less digits than its factorization.

7630073581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586928750.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 7630073581 is about 87350.2923921838. The cubic root of 7630073581 is about 1968.6850442115.

The spelling of 7630073581 in words is "seven billion, six hundred thirty million, seventy-three thousand, five hundred eighty-one".