7422887736 has 128 divisors (see below), whose sum is σ = 22693478400. Its totient is φ = 2229373440.

The previous prime is 7422887729. The next prime is 7422887741. The reversal of 7422887736 is 6377882247.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254665 + ... + 282311.

It is an arithmetic number, because the mean of its divisors is an integer number (177292800).

Almost surely, 2^7422887736 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 7422887736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11346739200).

7422887736 is an abundant number, since it is smaller than the sum of its proper divisors (15270590664).

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

7422887736 is a wasteful number, since it uses less digits than its factorization.

7422887736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27786 (or 27776 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 7422887736 is about 86156.1822273945. The cubic root of 7422887736 is about 1950.7021566043.

The spelling of 7422887736 in words is "seven billion, four hundred twenty-two million, eight hundred eighty-seven thousand, seven hundred thirty-six".