7210747450 has 12 divisors (see below), whose sum is σ = 13411990350. Its totient is φ = 2884298960.

The previous prime is 7210747417. The next prime is 7210747469. The reversal of 7210747450 is 547470127.

It can be written as a sum of positive squares in 3 ways, for example, as 6149225889 + 1061521561 = 78417^2 + 32581^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72107425 + ... + 72107524.

Almost surely, 2^7210747450 is an apocalyptic number.

7210747450 is a deficient number, since it is larger than the sum of its proper divisors (6201242900).

7210747450 is a wasteful number, since it uses less digits than its factorization.

7210747450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144214961 (or 144214956 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 7210747450 is about 84916.1200832916. The cubic root of 7210747450 is about 1931.9390831126.

The spelling of 7210747450 in words is "seven billion, two hundred ten million, seven hundred forty-seven thousand, four hundred fifty".