75737121 has 8 divisors (see below), whose sum is σ = 101030304. Its totient is φ = 50467680.

The previous prime is 75737119. The next prime is 75737141. The reversal of 75737121 is 12173757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75737121 - 2¹ = 75737119 is a prime.

It is a super-2 number, since 2×75737121² = 11472222994737282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75737141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (12628788).

Almost surely, 2^75737121 is an apocalyptic number.

It is an amenable number.

75737121 is a deficient number, since it is larger than the sum of its proper divisors (25293183).

75737121 is a wasteful number, since it uses less digits than its factorization.

75737121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its digits is 10290, while the sum is 33.

The square root of 75737121 is about 8702.7076820953. The cubic root of 75737121 is about 423.0934130780.

The spelling of 75737121 in words is "seventy-five million, seven hundred thirty-seven thousand, one hundred twenty-one".