7475057240 has 32 divisors (see below), whose sum is σ = 19221576480. Its totient is φ = 2562876672.

The previous prime is 7475057231. The next prime is 7475057243. The reversal of 7475057240 is 427505747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475057243) 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, 13348037 + ... + 13348596.

It is an arithmetic number, because the mean of its divisors is an integer number (600674265).

Almost surely, 2^7475057240 is an apocalyptic number.

7475057240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7475057240 is an abundant number, since it is smaller than the sum of its proper divisors (11746519240).

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

7475057240 is a wasteful number, since it uses less digits than its factorization.

7475057240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26696651 (or 26696647 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 7475057240 is about 86458.4133557863. The cubic root of 7475057240 is about 1955.2614638428.

The spelling of 7475057240 in words is "seven billion, four hundred seventy-five million, fifty-seven thousand, two hundred forty".