10064721074 has 4 divisors (see below), whose sum is σ = 15097081614. Its totient is φ = 5032360536.

The previous prime is 10064721053. The next prime is 10064721077. The reversal of 10064721074 is 47012746001.

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., 7570218049 + 2494503025 = 87007^2 + 49945^2 .

It is a super-2 number, since 2×10064721074² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10064721074.

It is not an unprimeable number, because it can be changed into a prime (10064721077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516180267 + ... + 2516180270.

Almost surely, 2^10064721074 is an apocalyptic number.

10064721074 is a deficient number, since it is larger than the sum of its proper divisors (5032360540).

10064721074 is an equidigital number, since it uses as much as digits as its factorization.

10064721074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032360539.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 10064721074 in words is "ten billion, sixty-four million, seven hundred twenty-one thousand, seventy-four".