7697124540 has 144 divisors (see below), whose sum is σ = 27544258560. Its totient is φ = 1702581120.

The previous prime is 7697124511. The next prime is 7697124551. The reversal of 7697124540 is 454217967.

7697124540 is a `hidden beast` number, since 7 + 6 + 97 + 12 + 4 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59470 + ... + 137589.

Almost surely, 2^7697124540 is an apocalyptic number.

7697124540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7697124540 is an abundant number, since it is smaller than the sum of its proper divisors (19847134020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7697124540 is a wasteful number, since it uses less digits than its factorization.

7697124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197112 (or 197107 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 7697124540 is about 87733.2578900385. The cubic root of 7697124540 is about 1974.4349857332.

The spelling of 7697124540 in words is "seven billion, six hundred ninety-seven million, one hundred twenty-four thousand, five hundred forty".