7534420272 has 30 divisors (see below), whose sum is σ = 21085912692. Its totient is φ = 2511473376.

The previous prime is 7534420253. The next prime is 7534420277. The reversal of 7534420272 is 2720244357.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7534420277) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 26161038 + ... + 26161325.

Almost surely, 2^7534420272 is an apocalyptic number.

7534420272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7534420272 is an abundant number, since it is smaller than the sum of its proper divisors (13551492420).

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

7534420272 is a wasteful number, since it uses less digits than its factorization.

7534420272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52322377 (or 52322368 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 7534420272 is about 86801.0384269681. The cubic root of 7534420272 is about 1960.4237137536.

The spelling of 7534420272 in words is "seven billion, five hundred thirty-four million, four hundred twenty thousand, two hundred seventy-two".