7247863057 has 4 divisors (see below), whose sum is σ = 7285810176. Its totient is φ = 7209915940.

The previous prime is 7247863037. The next prime is 7247863061. The reversal of 7247863057 is 7503687427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7247863057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7247863057.

It is not an unprimeable number, because it can be changed into a prime (7247863037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18973273 + ... + 18973654.

It is an arithmetic number, because the mean of its divisors is an integer number (1821452544).

Almost surely, 2^7247863057 is an apocalyptic number.

It is an amenable number.

7247863057 is a deficient number, since it is larger than the sum of its proper divisors (37947119).

7247863057 is a wasteful number, since it uses less digits than its factorization.

7247863057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37947118.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The square root of 7247863057 is about 85134.3823434457. The cubic root of 7247863057 is about 1935.2481443234.

The spelling of 7247863057 in words is "seven billion, two hundred forty-seven million, eight hundred sixty-three thousand, fifty-seven".