7492071081 has 16 divisors (see below), whose sum is σ = 11163354048. Its totient is φ = 4429900800.

The previous prime is 7492071031. The next prime is 7492071151. The reversal of 7492071081 is 1801702947.

It is not a de Polignac number, because 7492071081 - 2¹¹ = 7492069033 is a prime.

It is a super-2 number, since 2×7492071081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7492071001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767336 + ... + 2770041.

It is an arithmetic number, because the mean of its divisors is an integer number (697709628).

Almost surely, 2^7492071081 is an apocalyptic number.

It is an amenable number.

7492071081 is a deficient number, since it is larger than the sum of its proper divisors (3671282967).

7492071081 is a wasteful number, since it uses less digits than its factorization.

7492071081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537432.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 7492071081 is about 86556.7506379485. The cubic root of 7492071081 is about 1956.7437847295.

The spelling of 7492071081 in words is "seven billion, four hundred ninety-two million, seventy-one thousand, eighty-one".