7460978638 has 8 divisors (see below), whose sum is σ = 11194522632. Its totient is φ = 3729471096.

The previous prime is 7460978617. The next prime is 7460978677. The reversal of 7460978638 is 8368790647.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499920 + ... + 514627.

It is an arithmetic number, because the mean of its divisors is an integer number (1399315329).

Almost surely, 2^7460978638 is an apocalyptic number.

7460978638 is a deficient number, since it is larger than the sum of its proper divisors (3733543994).

7460978638 is a wasteful number, since it uses less digits than its factorization.

7460978638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018226.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The square root of 7460978638 is about 86376.9566377515. The cubic root of 7460978638 is about 1954.0331723420.

The spelling of 7460978638 in words is "seven billion, four hundred sixty million, nine hundred seventy-eight thousand, six hundred thirty-eight".