7490850906 has 64 divisors (see below), whose sum is σ = 18825707520. Its totient is φ = 1930340160.

The previous prime is 7490850889. The next prime is 7490850919. The reversal of 7490850906 is 6090580947.

It is a super-2 number, since 2×7490850906² (a number of 21 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 5161 + ... + 122508.

It is an arithmetic number, because the mean of its divisors is an integer number (294151680).

Almost surely, 2^7490850906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7490850906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9412853760).

7490850906 is an abundant number, since it is smaller than the sum of its proper divisors (11334856614).

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

7490850906 is a wasteful number, since it uses less digits than its factorization.

7490850906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127819.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 7490850906 is about 86549.7019405613. The cubic root of 7490850906 is about 1956.6375524453.

The spelling of 7490850906 in words is "seven billion, four hundred ninety million, eight hundred fifty thousand, nine hundred six".