75267373801 has 3 divisors (see below), whose sum is σ = 75267648151. Its totient is φ = 75267099452.

The previous prime is 75267373789. The next prime is 75267373817. The reversal of 75267373801 is 10837376257.

The square root of 75267373801 is 274349.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 36213709401 + 39053664400 = 190299^2 + 197620^2 .

It is a de Polignac number, because none of the positive numbers 2^k-75267373801 is a prime.

It is a super-2 number, since 2×75267373801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75267373871) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137175 + ... + 411523.

Almost surely, 2^75267373801 is an apocalyptic number.

75267373801 is the 274349-th square number.

75267373801 is the 137175-th centered octagonal number.

It is an amenable number.

75267373801 is a deficient number, since it is larger than the sum of its proper divisors (274350).

75267373801 is an frugal number, since it uses more digits than its factorization.

75267373801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548698 (or 274349 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

Multiplying 75267373801 by its sum of digits (49), we get a square (3688101316249 = 1920443²).

The spelling of 75267373801 in words is "seventy-five billion, two hundred sixty-seven million, three hundred seventy-three thousand, eight hundred one".