7292741861 has 6 divisors (see below), whose sum is σ = 7696772262. Its totient is φ = 6908913000.

The previous prime is 7292741849. The next prime is 7292741927. The reversal of 7292741861 is 1681472927.

It can be written as a sum of positive squares in only one way, i.e., 6893980900 + 398760961 = 83030^2 + 19969^2 .

It is not a de Polignac number, because 7292741861 - 2¹⁰ = 7292740837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7292749861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10100390 + ... + 10101111.

It is an arithmetic number, because the mean of its divisors is an integer number (1282795377).

Almost surely, 2^7292741861 is an apocalyptic number.

It is an amenable number.

7292741861 is a deficient number, since it is larger than the sum of its proper divisors (404030401).

7292741861 is a wasteful number, since it uses less digits than its factorization.

7292741861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201539 (or 20201520 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 7292741861 is about 85397.5518443005. The cubic root of 7292741861 is about 1939.2342835811.

The spelling of 7292741861 in words is "seven billion, two hundred ninety-two million, seven hundred forty-one thousand, eight hundred sixty-one".