7469936640 has 624 divisors, whose sum is σ = 28622630400. Its totient is φ = 1863254016.

The previous prime is 7469936611. The next prime is 7469936707. The reversal of 7469936640 is 466399647.

It is a super-2 number, since 2×7469936640² (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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94556121 + ... + 94556199.

It is an arithmetic number, because the mean of its divisors is an integer number (45869600).

Almost surely, 2^7469936640 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 7469936640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14311315200).

7469936640 is an abundant number, since it is smaller than the sum of its proper divisors (21152693760).

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

7469936640 is an equidigital number, since it uses as much as digits as its factorization.

7469936640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The square root of 7469936640 is about 86428.7952015993. The cubic root of 7469936640 is about 1954.8148942901.

The spelling of 7469936640 in words is "seven billion, four hundred sixty-nine million, nine hundred thirty-six thousand, six hundred forty".