7491045120 has 144 divisors (see below), whose sum is σ = 25765045152. Its totient is φ = 1843937280.

The previous prime is 7491045119. The next prime is 7491045131. The reversal of 7491045120 is 215401947.

It is a happy number.

It is a super-2 number, since 2×7491045120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25111 + ... + 124950.

Almost surely, 2^7491045120 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 7491045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12882522576).

7491045120 is an abundant number, since it is smaller than the sum of its proper divisors (18274000032).

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

7491045120 is a wasteful number, since it uses less digits than its factorization.

7491045120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150098 (or 150084 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7491045120 is about 86550.8239128895. The cubic root of 7491045120 is about 1956.6544621006.

The spelling of 7491045120 in words is "seven billion, four hundred ninety-one million, forty-five thousand, one hundred twenty".