7490429856 has 384 divisors, whose sum is σ = 27474370560. Its totient is φ = 1932512256.

The previous prime is 7490429827. The next prime is 7490429867. The reversal of 7490429856 is 6589240947.

It is a super-2 number, since 2×7490429856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 3694315 + ... + 3696341.

It is an arithmetic number, because the mean of its divisors is an integer number (71547840).

Almost surely, 2^7490429856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7490429856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13737185280).

7490429856 is an abundant number, since it is smaller than the sum of its proper divisors (19983940704).

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

7490429856 is a wasteful number, since it uses less digits than its factorization.

7490429856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 7490429856 is about 86547.2694889908. The cubic root of 7490429856 is about 1956.6008918269.

The spelling of 7490429856 in words is "seven billion, four hundred ninety million, four hundred twenty-nine thousand, eight hundred fifty-six".