7642275450 has 24 divisors (see below), whose sum is σ = 18952843488. Its totient is φ = 2037940080.

The previous prime is 7642275449. The next prime is 7642275451. The reversal of 7642275450 is 545722467.

It is an interprime number because it is at equal distance from previous prime (7642275449) and next prime (7642275451).

It is not an unprimeable number, because it can be changed into a prime (7642275451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25474102 + ... + 25474401.

It is an arithmetic number, because the mean of its divisors is an integer number (789701812).

Almost surely, 2^7642275450 is an apocalyptic number.

7642275450 is an abundant number, since it is smaller than the sum of its proper divisors (11310568038).

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

7642275450 is a wasteful number, since it uses less digits than its factorization.

7642275450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50948518 (or 50948513 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The square root of 7642275450 is about 87420.1089566926. The cubic root of 7642275450 is about 1969.7339132313.

The spelling of 7642275450 in words is "seven billion, six hundred forty-two million, two hundred seventy-five thousand, four hundred fifty".