7023447481 has 4 divisors (see below), whose sum is σ = 7155965412. Its totient is φ = 6890929552.

The previous prime is 7023447449. The next prime is 7023447547. The reversal of 7023447481 is 1847443207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4780477881 + 2242969600 = 69141^2 + 47360^2 .

It is a cyclic number.

It is not a de Polignac number, because 7023447481 - 2⁵ = 7023447449 is a prime.

It is a super-2 number, since 2×7023447481² = 98657629036730490722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7023447581) 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, 66258886 + ... + 66258991.

It is an arithmetic number, because the mean of its divisors is an integer number (1788991353).

Almost surely, 2^7023447481 is an apocalyptic number.

It is an amenable number.

7023447481 is a deficient number, since it is larger than the sum of its proper divisors (132517931).

7023447481 is a wasteful number, since it uses less digits than its factorization.

7023447481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132517930.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 7023447481 is about 83806.0110075644. The cubic root of 7023447481 is about 1915.0646794207.

The spelling of 7023447481 in words is "seven billion, twenty-three million, four hundred forty-seven thousand, four hundred eighty-one".