7457378606 has 4 divisors (see below), whose sum is σ = 11186067912. Its totient is φ = 3728689302.

The previous prime is 7457378581. The next prime is 7457378611. The reversal of 7457378606 is 6068737547.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7457378606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864344650 + ... + 1864344653.

It is an arithmetic number, because the mean of its divisors is an integer number (2796516978).

Almost surely, 2^7457378606 is an apocalyptic number.

7457378606 is a deficient number, since it is larger than the sum of its proper divisors (3728689306).

7457378606 is a wasteful number, since it uses less digits than its factorization.

7457378606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728689305.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The square root of 7457378606 is about 86356.1150469380. The cubic root of 7457378606 is about 1953.7188385250.

The spelling of 7457378606 in words is "seven billion, four hundred fifty-seven million, three hundred seventy-eight thousand, six hundred six".