7227692640 has 384 divisors, whose sum is σ = 29029432320. Its totient is φ = 1645277184.

The previous prime is 7227692621. The next prime is 7227692657. The reversal of 7227692640 is 462967227.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13819419 + ... + 13819941.

It is an arithmetic number, because the mean of its divisors is an integer number (75597480).

Almost surely, 2^7227692640 is an apocalyptic number.

7227692640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7227692640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14514716160).

7227692640 is an abundant number, since it is smaller than the sum of its proper divisors (21801739680).

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

7227692640 is a wasteful number, since it uses less digits than its factorization.

7227692640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 7227692640 is about 85015.8375833585. The cubic root of 7227692640 is about 1933.4512455499.

The spelling of 7227692640 in words is "seven billion, two hundred twenty-seven million, six hundred ninety-two thousand, six hundred forty".