7490756672 has 168 divisors, whose sum is σ = 17820997632. Its totient is φ = 3059804160.

The previous prime is 7490756639. The next prime is 7490756681. The reversal of 7490756672 is 2766570947.

It is a super-2 number, since 2×7490756672² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54676988 + ... + 54677124.

Almost surely, 2^7490756672 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 7490756672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8910498816).

7490756672 is an abundant number, since it is smaller than the sum of its proper divisors (10330240960).

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

7490756672 is a wasteful number, since it uses less digits than its factorization.

7490756672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 53.

The square root of 7490756672 is about 86549.1575464487. The cubic root of 7490756672 is about 1956.6293476561.

The spelling of 7490756672 in words is "seven billion, four hundred ninety million, seven hundred fifty-six thousand, six hundred seventy-two".