7420764537 has 40 divisors (see below), whose sum is σ = 12023788392. Its totient is φ = 4542566400.

The previous prime is 7420764523. The next prime is 7420764539. The reversal of 7420764537 is 7354670247.

7420764537 is a `hidden beast` number, since 7 + 42 + 0 + 76 + 4 + 537 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47279376 + 7373485161 = 6876^2 + 85869^2 .

It is not a de Polignac number, because 7420764537 - 2⁴ = 7420764521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7420764492 and 7420764501.

It is not an unprimeable number, because it can be changed into a prime (7420764539) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9264 + ... + 122177.

Almost surely, 2^7420764537 is an apocalyptic number.

It is an amenable number.

7420764537 is a deficient number, since it is larger than the sum of its proper divisors (4603023855).

7420764537 is a wasteful number, since it uses less digits than its factorization.

7420764537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131511 (or 131502 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The square root of 7420764537 is about 86143.8595432083. The cubic root of 7420764537 is about 1950.5161497577.

The spelling of 7420764537 in words is "seven billion, four hundred twenty million, seven hundred sixty-four thousand, five hundred thirty-seven".