75672251905 has 16 divisors (see below), whose sum is σ = 91001439360. Its totient is φ = 60408084352.

The previous prime is 75672251899. The next prime is 75672251923. The reversal of 75672251905 is 50915227657.

It is a cyclic number.

It is not a de Polignac number, because 75672251905 - 2⁷ = 75672251777 is a prime.

It is a super-2 number, since 2×75672251905² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7210572 + ... + 7221058.

It is an arithmetic number, because the mean of its divisors is an integer number (5687589960).

Almost surely, 2^75672251905 is an apocalyptic number.

It is an amenable number.

75672251905 is a deficient number, since it is larger than the sum of its proper divisors (15329187455).

75672251905 is a wasteful number, since it uses less digits than its factorization.

75672251905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448.

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 75672251905 in words is "seventy-five billion, six hundred seventy-two million, two hundred fifty-one thousand, nine hundred five".