7421494752 has 120 divisors (see below), whose sum is σ = 24944529456. Its totient is φ = 2120421888.

The previous prime is 7421494733. The next prime is 7421494763. The reversal of 7421494752 is 2574941247.

7421494752 is a `hidden beast` number, since 74 + 21 + 494 + 75 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7421494698 and 7421494707.

It is a congruent number.

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, 186373 + ... + 222660.

Almost surely, 2^7421494752 is an apocalyptic number.

7421494752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7421494752 is an abundant number, since it is smaller than the sum of its proper divisors (17523034704).

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

7421494752 is a wasteful number, since it uses less digits than its factorization.

7421494752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409062 (or 409045 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 7421494752 is about 86148.0977851514. The cubic root of 7421494752 is about 1950.5801256202.

The spelling of 7421494752 in words is "seven billion, four hundred twenty-one million, four hundred ninety-four thousand, seven hundred fifty-two".