76073121 has 16 divisors (see below), whose sum is σ = 117601920. Its totient is φ = 48510000.

The previous prime is 76073089. The next prime is 76073159. The reversal of 76073121 is 12137067.

76073121 is a `hidden beast` number, since 7 + 607 + 31 + 21 = 666.

It is not a de Polignac number, because 76073121 - 2⁵ = 76073089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (76073191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60630 + ... + 61871.

It is an arithmetic number, because the mean of its divisors is an integer number (7350120).

Almost surely, 2^76073121 is an apocalyptic number.

It is an amenable number.

76073121 is a deficient number, since it is larger than the sum of its proper divisors (41528799).

76073121 is a wasteful number, since it uses less digits than its factorization.

76073121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122533 (or 122527 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 76073121 is about 8721.9906558079. The cubic root of 76073121 is about 423.7181603456.

The spelling of 76073121 in words is "seventy-six million, seventy-three thousand, one hundred twenty-one".