7457731612 has 12 divisors (see below), whose sum is σ = 13079343816. Its totient is φ = 3720776240.

The previous prime is 7457731571. The next prime is 7457731639. The reversal of 7457731612 is 2161377547.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2020318 + ... + 2024005.

It is an arithmetic number, because the mean of its divisors is an integer number (1089945318).

Almost surely, 2^7457731612 is an apocalyptic number.

It is an amenable number.

7457731612 is a deficient number, since it is larger than the sum of its proper divisors (5621612204).

7457731612 is a wasteful number, since it uses less digits than its factorization.

7457731612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044788 (or 4044786 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 7457731612 is about 86358.1589196991. The cubic root of 7457731612 is about 1953.7496654248.

The spelling of 7457731612 in words is "seven billion, four hundred fifty-seven million, seven hundred thirty-one thousand, six hundred twelve".