7493775264 has 120 divisors (see below), whose sum is σ = 22368443328. Its totient is φ = 2460585600.

The previous prime is 7493775259. The next prime is 7493775277. The reversal of 7493775264 is 4625773947.

7493775264 is a `hidden beast` number, since 7 + 4 + 9 + 377 + 5 + 264 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7493775264.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 152089 + ... + 195239.

Almost surely, 2^7493775264 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 7493775264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11184221664).

7493775264 is an abundant number, since it is smaller than the sum of its proper divisors (14874668064).

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

7493775264 is a wasteful number, since it uses less digits than its factorization.

7493775264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43240 (or 43223 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The square root of 7493775264 is about 86566.5943883667. The cubic root of 7493775264 is about 1956.8921369742.

The spelling of 7493775264 in words is "seven billion, four hundred ninety-three million, seven hundred seventy-five thousand, two hundred sixty-four".