7249658752 has 64 divisors (see below), whose sum is σ = 16522115040. Its totient is φ = 3103948800.

The previous prime is 7249658747. The next prime is 7249658761. The reversal of 7249658752 is 2578569427.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 7249658693 and 7249658702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072728 + ... + 1079464.

Almost surely, 2^7249658752 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 7249658752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8261057520).

7249658752 is an abundant number, since it is smaller than the sum of its proper divisors (9272456288).

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

7249658752 is a wasteful number, since it uses less digits than its factorization.

7249658752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959 (or 7947 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The square root of 7249658752 is about 85144.9279287968. The cubic root of 7249658752 is about 1935.4079536556.

The spelling of 7249658752 in words is "seven billion, two hundred forty-nine million, six hundred fifty-eight thousand, seven hundred fifty-two".