7386849520 has 40 divisors (see below), whose sum is σ = 18184688784. Its totient is φ = 2780931072.

The previous prime is 7386849511. The next prime is 7386849523. The reversal of 7386849520 is 259486837.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×7386849520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7386849523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714394 + ... + 2717113.

Almost surely, 2^7386849520 is an apocalyptic number.

It is an amenable number.

7386849520 is an abundant number, since it is smaller than the sum of its proper divisors (10797839264).

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

7386849520 is a wasteful number, since it uses less digits than its factorization.

7386849520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431537 (or 5431531 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 7386849520 is about 85946.7830695251. The cubic root of 7386849520 is about 1947.5401391215.

The spelling of 7386849520 in words is "seven billion, three hundred eighty-six million, eight hundred forty-nine thousand, five hundred twenty".