8725073738 has 4 divisors (see below), whose sum is σ = 13087610610. Its totient is φ = 4362536868.

The previous prime is 8725073729. The next prime is 8725073741. The reversal of 8725073738 is 8373705278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8680089889 + 44983849 = 93167^2 + 6707^2 .

It is a super-2 number, since 2×8725073738² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2181268433 + ... + 2181268436.

Almost surely, 2^8725073738 is an apocalyptic number.

8725073738 is a deficient number, since it is larger than the sum of its proper divisors (4362536872).

8725073738 is a wasteful number, since it uses less digits than its factorization.

8725073738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362536871.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 8725073738 is about 93408.1031709776. The cubic root of 8725073738 is about 2058.6840605770.

The spelling of 8725073738 in words is "eight billion, seven hundred twenty-five million, seventy-three thousand, seven hundred thirty-eight".